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Find the quadratic polynomial, the sum and product of whose zeroes are root 2 and -3/2 respectively. Also find its zeroes.
22
Nov
Find the quadratic polynomial, the sum and product of whose zeroes are root 2 and -3/2 respectively. Also find its zeroes. Find the quadratic polynomial the sum and product of whose zeroes are root 2 and -3/2 respectively. Also find its zeroes. November 22, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class [...]
Find the zeroes of the polynomial x^2 + 1/6x – 2 and verify the relation between the coefficient and zeroes of the polynomial.
22
Nov
Find the zeroes of the polynomial x^2 + 1/6x – 2 and verify the relation between the coefficient and zeroes of the polynomial. Find the zeroes of the polynomial x^2 + 1/6x - 2 and verify the relation between the coefficient and zeroes of the polynomial. November 22, 2020 Category: Chapter 2 - Polynomials , [...]
Are the following statements true or false? Justify your answer. 1 If the zeroes of a quadratic polynomial ax^2 + bx + c are both negative, then a, b and c all have the same sign
22
Nov
Are the following statements true or false? Justify your answer. 1 If the zeroes of a quadratic polynomial ax^2 + bx + c are both negative, then a, b and c all have the same sign Are the following statements true or false? Justify your answer. 1 If the zeroes of a quadratic polynomial ax^2 [...]
Can (x−1) be the remainder on division of a polynomial p(x) by 2x + 3 ? Justify your answer
22
Nov
Can (x−1) be the remainder on division of a polynomial p(x) by 2x + 3 ? Justify your answer Can (x−1) be the remainder on division of a polynomial p(x) by 2x + 3 ? Justify your answer November 22, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 10 ,
Given that two of the zeroes of the cubic polynomial ax^3 + bx^2 + cx + d are 0 the third zero is
22
Nov
Given that two of the zeroes of the cubic polynomial ax^3 + bx^2 + cx + d are 0 the third zero is Given that two of the zeroes of the cubic polynomial ax^3 + bx^2 + cx + d are 0 the third zero is November 22, 2020 Category: Chapter 2 - Polynomials , [...]
If one zero of a quadratic polynomial x^2 + 3x + k is 2. Find the value of k.
22
Nov
If one zero of a quadratic polynomial x^2 + 3x + k is 2. Find the value of k. If one zero of a quadratic polynomial x^2 + 3x + k is 2. Find the value of k. November 22, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 10 ,
For which values of a and b, are the zeroes of q(x) = x^2 + 2x^2 + a are also the zeroes of the polynomial p(x) = x^5 – x^4 – 4x^3 + 3x^2 + 3x + b? Which zeroes of p(x) are not the zeroes of p(x)?
22
Nov
For which values of a and b, are the zeroes of q(x) = x^2 + 2x^2 + a are also the zeroes of the polynomial p(x) = x^5 – x^4 – 4x^3 + 3x^2 + 3x + b? Which zeroes of p(x) are not the zeroes of p(x)? are the zeroes of q(x) = x^2 [...]
Which of the following statements is incorrect? a. In equilibrium mixture of ice and water kept in perfectly insulated flask mass of ice and water do not change with time. b. the intensity of red colour increases when oxalic acid is added to a solution containing iron (III) nitrate and potassium thiocyanate.
22
Nov
Which of the following statements is incorrect? a. In equilibrium mixture of ice and water kept in perfectly insulated flask mass of ice and water do not change with time. b. the intensity of red colour increases when oxalic acid is added to a solution containing iron (III) nitrate and potassium thiocyanate. Kc Which of [...]
Assertion : pH of 10−7MHCl is less than 7 at 25∘C. Reason : At very low concentration of HCl, contribution of `H^(+) from water is considerable.
22
Nov
Assertion : pH of 10−7MHCl is less than 7 at 25∘C. Reason : At very low concentration of HCl, contribution of `H^(+) from water is considerable. Assertion : pH of 10−7MHCl is less than 7 at 25∘C. Reason : At very low concentration of HCl contribution of `H^(+) from water is considerable. November 22, 2020 [...]
Assertion : Addition of HCl(aq) to HCOOH(aq) decreases the dissociation of HCOOH(aq) Reason : Due to common ion effect of H+, dissociation of HCOOH decreased.
22
Nov
Assertion : Addition of HCl(aq) to HCOOH(aq) decreases the dissociation of HCOOH(aq) Reason : Due to common ion effect of H+, dissociation of HCOOH decreased. Assertion : Addition of HCl(aq) to HCOOH(aq) decreases the dissociation of HCOOH(aq) Reason : Due to common ion effect of H+ dissociation of HCOOH decreased. November 22, 2020 Category: Chapter [...]