Question

If a+b=7 and ab=10, find a^2+b^2+3ab=?

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

59

Step-by-step explanation:

given,

a+b=7

ab=10

solving the given equation,

$a^{2} +b^{2}$+3ab

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

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

=$(7)^{2}$+10

=49+10

=59

hope its helpful!!