If a+b=10 and ab=18, find the value of "a power 2 "+ "b power 2."
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Answer:
a²+b²=64
Step-by-step explanation:
a+b=10
Squaring on both the sides
(a+b)²=(10)²
a²+b²+2ab=100
a²+b²+2(18)=100
a²+b²+36=100
a²+b²=100-36
a²+b²=64
Therefore, the value of a²+b² is 64.
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