Math, asked by gsvsvsvaahwhwj, 2 months ago

If ab=20 and (a + b)²=70, then a² + b² is equal to

2 points

25

35

30

50

Answers

Answered by sparkle24

0

Answer:

We know that,

(a+b)² = a² + b² + 2ab

(70) = a² + b² + 2(20)

a² + b² = 70 - 40 = 30

Thus, a² + b² = 30

Hope this helps!!!

Answered by sahildudhal

1

Answer:

HAPPY FRIENDSHIP DAY

no I don't play ff

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