Choose correct option for
Question ). (4+√2) (4+√2)
options
(i) a² + 2b + b2
(ii) a² - 2ab +62
(iii) a²- b²
Answers
Answered by
0
Answer:
a=3,b=4
(a+b)²=(3+4)²=49
a²+2ab+b²=9+2×3×4+16=49
a²-b²=3²-4²=9-16=-7
(a+b)(a-b)=(3+4)(3-4)=7×-1=-7
Answered by
0
Answer:
(4+ √2) ( 4 + √2)
using identity( a+ b)^2 = a^2 +b^2 + 2ab
4^2+ (√2)^2 + 2(4)(√2)
16+2 +8√2
18+ 8√2
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