(root3+root11)^2+(root3-root11)^2
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Answered by
7
Answer:
28
Step-by-step explanation:
= (√3 + √11)² + (√3 - √11)²
(a+b)²= a²+b²+2ab
= (√3)²+(√11)²+ 2.√3.√11+(√3)²+(√11)²-2.√3.√11
= 3+11+3+11
= 28
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