Math, asked by sapkotakismat, 1 month ago

if 2a + 7b=11 and ab=2 find the value of 4a^2 49b^2

Answers

Answered by rkcomp31

1

Answer:

4a²+49b²=65

Step-by-step explanation:

2a + 7b=11 and ab=2

2a+7b=11

squaring we get

4a²+49b²+28ab=121

4a²+49b²+28*2=121

4a²+49b²=121-56

=65

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