√7-2/√7+2 by rationalizing denominator
Answers
Answered by
0
Answer:
(√7+2)(1-1)/(√7+2)
(√7+2)•0/(√7+2)
0/(√7+2)
0
Answered by
1
Answer:
11-14√7/3
Step-by-step explanation:
√7-2/√7+2
=[√7-2/√7+2] × [√7-2/√7-2]
=(√7-2)^2/(√7+2)(√7-2)
=(√7)^2 - 2×√7×2 + 2^2/(√7)^2-(2)^2
=7-14√7+4/7-4
=11-14√7/3
hope it helps
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