Question

if a² +b²=65 and ab= 8, find the valur of a²-b²

answer ASAP I will mark as brainiest​

Answer 1

Answer:63 or -63

Step-by-step explanation:

a^2+b^2+2ab=65+2ab

(a+b)^2=81

a+b=+9 or -9

Similarly by subtracting 2ab from both sides we get

a-b=+7 or -7

Multiplying both equations

a^2-b^2=63 or -63

Answer 2

Here's the answer below

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