Question

a+b=8 ab= 15 Find the value of a2+b2 = ? *
a squere +b squere

Answer 1

Answer:34

Explanation:

a+b=8 (Squaring both sides)

$(a+b)^{2} = 8^{2}$

$a^{2} + 2 ab + b^{2} = 64$

$a^{2} +( 2 X 15 )+b^{2}$ = 64

$a^{2} +b^{2} =$ 64 - 30 = 34

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