If a1+a2+a3+a4+a5=10
and a12+a22+a32+a42+a52=50
, then the sum of products of these numbers taken two at a time is-
A. 50
B. 25
C. 75
D. 100

Question

If a1+a2+a3+a4+a5=10 and a12+a22+a32+a42+a52=50 , then the sum of products of these numbers taken two at a time is- A. 50 B. 25 C. 75 D. 100

Pawan Prajapati · Answer

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If a1+a2+a3+a4+a5=10 and a12+a22+a32+a42+a52=50 , then the sum of products of these numbers taken two at a time is- A. 50 B. 25 C. 75 D. 100

If a1+a2+a3+a4+a5=10
and a12+a22+a32+a42+a52=50
, then the sum of products of these numbers taken two at a time is-
A. 50
B. 25
C. 75
D. 100

1 Answers

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If a1+a2+a3+a4+a5=10 and a12+a22+a32+a42+a52=50 , then the sum of products of these numbers taken two at a time is- A. 50 B. 25 C. 75 D. 100

If a1+a2+a3+a4+a5=10 and a12+a22+a32+a42+a52=50 , then the sum of products of these numbers taken two at a time is- A. 50 B. 25 C. 75 D. 100

1 Answers

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If a1+a2+a3+a4+a5=10
and a12+a22+a32+a42+a52=50
, then the sum of products of these numbers taken two at a time is-
A. 50
B. 25
C. 75
D. 100