simplify the following expressions (4 + √3)(4 - √3)
Answers
Answered by
1
Answer:
We know that, (A+B)(C+D)=A×(C+D)+B×(C+D)
=AC+AD+BC+CD
(i) (3+
3
)(2+
2
)=(6+2
3
+3
2
+
6
)
(ii) (
5
+
2
)
2
=(5+2+2
10
)=(7+2
10
)
(iii) (3+
3
)(3−
3
)=(9−3)=6
(iv) (
5
−
2
)(
5
+
2
)=(5−2)=3
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Answered by
1
Answer:
Correct answer is 13
Step-by-step explanation:
By using (a+b)(a-b) = a2 - b2
16-3 = 13
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