Math, asked by sagnikgamer90, 2 months ago

p²-q² when p-q=9 and pq=36

Answers

Answered by anshusingh20

0

Step-by-step explanation:

Given: p-q=9 pq=36 i)

given p-q =9 (p-q)²=9²

(squaring both sides LHS and RHS) p²+q²-2pq = 81 p²+q²-2×36=81

p²+q2 = 81-72

= 9

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