Math, asked by rupalnbhimani22, 9 months ago

(31 /4)^2-(9/4)^2 ...using (a^2-b^2)=(a+b)(a-b)

Answers

Answered by yashdknk

10

Answer:

55

Step-by-step explanation:

(31/4 + 9/4)(31/4 - 9/4)

(40/4)(22/4)

10(11/2)

5*11

55

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