Maths
Write whether the following statements are true or false. Justify your answer. (ii) 6 root x + x^1/2 /root x is a polynomial, x is not equal to 0
28
Jun
Write whether the following statements are true or false. Justify your answer. (ii) 6 root x + x^1/2 /root x is a polynomial, x is not equal to 0 Write whether the following statements are true or false. Justify your answer. (ii) 6 root x + x^1/2 /root x is a polynomial x is not [...]
Write whether the following statements are true or false. Justify your answer. (i) 1/ root 5^x^1/2 + 1 is a polynomial
28
Jun
Write whether the following statements are true or false. Justify your answer. (i) 1/ root 5^x^1/2 + 1 is a polynomial Write whether the following statements are true or false. Justify your answer. (i) 1/ root 5^x^1/2 + 1 is a polynomial June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class [...]
If x^2 + kx + 6 = (x + 2) (x + 3) for all x, then the value of k is
28
Jun
If x^2 + kx + 6 = (x + 2) (x + 3) for all x, then the value of k is If x^2 + kx + 6 = (x + 2) (x + 3) for all x then the value of k is June 28, 2021 Category: Chapter 2 - Polynomials , Maths , [...]
9. Prove that (a +b +c)^3 -a^3 -b^3 – c^3 =3(a +b)(b +c)(c +a).
28
Jun
9. Prove that (a +b +c)^3 -a^3 -b^3 – c^3 =3(a +b)(b +c)(c +a). 9. Prove that (a +b +c)^3 -a^3 -b^3 – c^3 =3(a +b)(b +c)(c +a). June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
8. If a + b + c = 5 and ab + bc + ca = 10, then prove that a^3 + b^3 + c^3 – 3abc = -25.
28
Jun
8. If a + b + c = 5 and ab + bc + ca = 10, then prove that a^3 + b^3 + c^3 – 3abc = -25. 8. If a + b + c = 5 and ab + bc + ca = 10 then prove that a^3 + b^3 + c^3 – [...]
7. If a, b, c are all non zero and a + b+ c = 0 , prove that a^2/bc + b^2/ ca +c^2/ ab = 3.
28
Jun
7. If a, b, c are all non zero and a + b+ c = 0 , prove that a^2/bc + b^2/ ca +c^2/ ab = 3. 7. If a B c are all non zero and a + b+ c = 0 prove that a^2/bc + b^2/ ca +c^2/ ab = 3. June 28, [...]
6. Multiply x^2 + 4y^2 + z^2 + 2xy + xz – 2yz by (-z + x-2y).
28
Jun
6. Multiply x^2 + 4y^2 + z^2 + 2xy + xz – 2yz by (-z + x-2y). 6. Multiply x^2 + 4y^2 + z^2 + 2xy + xz – 2yz by (-z + x-2y). June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
5. Simplify (2x- 5y)^3 – (2x+ 5y)^3.
28
Jun
5. Simplify (2x- 5y)^3 – (2x+ 5y)^3. 5. Simplify (2x- 5y)^3 – (2x+ 5y)^3. June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
4. Without actual division, prove that 2x^4 – 5x^3 + 2x^2 – x + 2 is divisible by x^2 – 3x + 2.
28
Jun
4. Without actual division, prove that 2x^4 – 5x^3 + 2x^2 – x + 2 is divisible by x^2 – 3x + 2. 4. Without actual division prove that 2x^4 – 5x^3 + 2x^2 – x + 2 is divisible by x^2 – 3x + 2. June 28, 2021 Category: Chapter 2 - Polynomials , [...]
3. If both x – 2 and x -(1/2) are factors of px^2+ 5x+r, then show that p = r.
28
Jun
3. If both x – 2 and x -(1/2) are factors of px^2+ 5x+r, then show that p = r. 3. If both x – 2 and x -(1/2) are factors of px^2+ 5x+r then show that p = r. June 28, 2021 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,