Discuss Forum
1.
- A. 24
- B. 24
- C. 24
- D. 24
Answer: Option A
Explanation:
8xy(x2+y2)
=4xy×2(x2+y2)
=(x+y)2+(x-y)2×(x+y)2-(x-y)2
=(√7)2+(√5)2×(√7)2-(√5)2
=7+5×7-5
=24
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1.
Answer: Option A
Explanation:
8xy(x2+y2)
=4xy×2(x2+y2)
=(x+y)2+(x-y)2×(x+y)2-(x-y)2
=(√7)2+(√5)2×(√7)2-(√5)2
=7+5×7-5
=24
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