help me to solve
Simplify [root3-root7]²
Answers
Answered by
0
Answer:
no
Step-by-step explanation:
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Answered by
0
Answer:
10 - 2 root21
Step-by-step explanation:
(a-b)^2 = a^2 + b^2 - 2ab
a = root3
b = root7
(root3)^2 + (root7)^2 - 2(root3)(root7)
3 + 7 - 2(root3)(root7)
10 - 2(root3)(root7)
10 - 2 root21
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