Question

ab when a-b=2 and a²+b²=36​

Answer 1

Answer:

a-b=2

a=b+2

(b+2)^2+b^2=36

b^2+4b+4+b^2=36

2b^2+4b=36

2b^2+4b-36=0

solve this equation

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Answer 2

Answer:

put a=b+2 in the equation a^2 + b^2 =36

we get b=8

now value of b put in the a-b=2

a-8=2

a=10

so finally ab= 10× 8 = 80