if a + b is equal to 8 and a b is equal to 15 find the value of a square + b square
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Answered by
5
a+b=8 and ab=15
a^2+b^2= (a+b)^2 -2ab
=8^2-2×15
=64- 30
=34
a^2+b^2= (a+b)^2 -2ab
=8^2-2×15
=64- 30
=34
Answered by
3
given that
a+b=8
a. b=15
then we find that a^2+b^2
now a^2+b^2=(a+b) ^2-2ab=(8) ^2-2×15=64-30=34.
please make me a brainlist
a+b=8
a. b=15
then we find that a^2+b^2
now a^2+b^2=(a+b) ^2-2ab=(8) ^2-2×15=64-30=34.
please make me a brainlist
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