If a+b = 14 and ab=20 find the value of a2 +b2
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Hope this will help u
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Answered by
7
hi.
here is your answer...
given that a+b=14
ab=20
here we use a formula i;e
a^2+b^2=(a+b)^2 - 2ab
so we already Know the value of a+b and ab
now putting the value in above the formula....
a^2+b^2=(14)^2- 2×20
=>a^2+b^2=196-40
=156
hope it will help you ☺️
here is your answer...
given that a+b=14
ab=20
here we use a formula i;e
a^2+b^2=(a+b)^2 - 2ab
so we already Know the value of a+b and ab
now putting the value in above the formula....
a^2+b^2=(14)^2- 2×20
=>a^2+b^2=196-40
=156
hope it will help you ☺️
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