Math, asked by vaishalirampure1234, 2 months ago

(ii) The sum of the 3rd and 7th terms of an A.P. is 32 and their product is 220. Find
the sum of first twenty-one terms of the A.P. (Take the value of d positive.)

Answers

Answered by kumkumsinghal2211

0

Answer:

answer is 714

Step-by-step explanation:

hope u will be satisfied

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