( 7+4√3) (7- 4√3) will be equal to *
A -1
B 1
C 0
D 2
Answers
Answered by
1
Answer:
1
Step-by-step explanation:
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Attachments:
Answered by
0
Answer:
using identity (a+b)(a-b)=a^2-b^2
here a=7
b=4√3
so (7+4√3)(7-4√3)=7^2-(4√3)^2=49-48=1
so the correct answer is one
hope it's helpful
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