Maths
If n is an odd integer, then show that n^2 – 1 is divisible by 8.
22
Nov
If n is an odd integer, then show that n^2 – 1 is divisible by 8. If n is an odd integer then show that n^2 – 1 is divisible by 8. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Show that the square of any odd integer is of the form 4q + 1, for some integer q.
22
Nov
Show that the square of any odd integer is of the form 4q + 1, for some integer q. For some integer q Show that the square of any odd integer is of the form 4q + 1 November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Show that the square of any positive integer cannot be the form 6m+2 or 6m+5 for any integer m.
22
Nov
Show that the square of any positive integer cannot be the form 6m+2 or 6m+5 for any integer m. Show that the square of any positive integer cannot be the form 6m+2 or 6m+5 for any integer m. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Show that the square of any positive integer cannot be the form of 5q + 2 or 5q + 3 , for any integer “q “.
22
Nov
Show that the square of any positive integer cannot be the form of 5q + 2 or 5q + 3 , for any integer “q “. for any integer "q ". Show that the square of any positive integer cannot be the form of 5q + 2 or 5q + 3 November 22, 2020 Category: [...]
Show that cube of any positive integer is of form 4m, 4m+1 or 4m+3 for some integer m.
22
Nov
Show that cube of any positive integer is of form 4m, 4m+1 or 4m+3 for some integer m. 4m+1 or 4m+3 for some integer m. Show that cube of any positive integer is of form 4m November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Show that the square of any positive integer is either of the form 4q or, 4q + 1 for some integer q.
22
Nov
Show that the square of any positive integer is either of the form 4q or, 4q + 1 for some integer q. 4q + 1 for some integer q. Show that the square of any positive integer is either of the form 4q or November 22, 2020 Category: Chapter 1 - Real Numbers , Maths [...]
A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q, when this number is expressed in the form of p/q ? Give Reasons.
22
Nov
A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q, when this number is expressed in the form of p/q ? Give Reasons. A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q when this number is [...]
Without actually performing the long division, find if 987\10500 will have terminating or non-terminating repeating decimal expansion. Give reasons for your answer.
22
Nov
Without actually performing the long division, find if 987\10500 will have terminating or non-terminating repeating decimal expansion. Give reasons for your answer. find if 987\10500 will have terminating or non-terminating repeating decimal expansion. Give reasons for your answer. Without actually performing the long division November 22, 2020 Category: Chapter 1 - Real Numbers , Maths [...]
Can two numbers have 18 as their HCF and 380 as their LCM ? Give reason.
22
Nov
Can two numbers have 18 as their HCF and 380 as their LCM ? Give reason. Can two numbers have 18 as their HCF and 380 as their LCM ? Give reason. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,
Explain why `3 x 5 x 7 + 7` is a composite number.
22
Nov
Explain why `3 x 5 x 7 + 7` is a composite number. Explain why `3 x 5 x 7 + 7` is a composite number. November 22, 2020 Category: Chapter 1 - Real Numbers , Maths , NCERT Class 10 ,