Math, asked by vedhamithun1417, 8 hours ago

add the following expression 49x^2 - 84xy +36y^2 and 49x^2-64y^2

Answers

Answered by Anonymous

0

Answer:

Correct option is

C

121

Simply put x=5 & y=4 in given expression

Hence 49(25)+36(16)−84(5×4)

=121

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