Plzzzzzzzz answer my question
Q 10
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1
Q.11.B 19999
Step-by-step explanation:
my good answer
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2
Answer:
(A) 2
Step-by-step explanation:
Let 865 be a and 167 be b
Then the given equation becomes
[(a+b)² + (a-b)²]÷(a²+b²)
= [(a²+b²+2ab) + (a²+b²-2ab)]÷(a²+b²)
= (2a²+2b²)÷(a²+b²)
= 2 (a²+b²)/(a²+b²)
= 2
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