Math, asked by rustyattacker03629, 1 year ago

If 4ab = 40 and a-b = 4 , then find the value of a²+b².

Answers

Answered by amitnrw
0

Answer:

36

Step-by-step explanation:

a-b = 4

squaring both sides

a^2 + b^2 - 2ab = 16

a^2 + b^2 = 16 + 2ab

4ab = 40

2ab = 20

a^2 + b^2 = 16 + 20

a^2 + b^2 = 36


rustyattacker03629: nice, your answer is correct
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