the value of (3+root5)² (3-root5)² is
a. 15
b. 16
c. 4
d. 14
Answers
Answered by
0
Answer:
d
Step-by-step explanation:
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Answered by
0
Answer:
ans is c.
Step by step explanation:
By using identity:A^2-B^2 we get ,(3)^2-(√5)^2=9-5=4
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