Question

If (a+b)^2=59 and a^2+b^2=29 what is ab?

Answer 1

hope it helps you............

Answer 2

Answer:

15

Step-by-step explanation:

GIVEN

$(a + b) {}^{2} = 59$

$a { }^{2} + b {}^{2} = 29$

SOLUTION

$(a + b) {}^{2} = 59$

$= > a { }^{2} + b {}^{2} + 2ab = 59$

$= > 29 + 2ab = 59$

$= > 2ab = 59 - 29 = 30$

$= > ab = 30 \div 2$

$= > ab = 15$

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