Expand: ( 3 + √2)^2
Hi, can anyone please help me with this
Answers
Answered by
1
Step-by-step explanation:
(3+√2)^2
=(3)^2+(√2)^2+2×3×√2
= 9+2+6√2
=11+6√2
Answer will be 11+6√2
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Answered by
0
Answer:
( 3+ 2 ) 4⇒ 4 C 0
( 3 ) 4 + 4 C 1
( 3) 3 ( 2 )+ 4 C 2
(
3
)
2
(
2
)
2
+
4
C
3
(
3
)(
2
)
3
+
4
C
4
(
2
)
4
⇒1(3)
2
+4.(3
3
)(
2
)+
2
4×3
(3)(−2)+4(
(
3)(2
2
)+1(2)
2
⇒9+12
6
+36+8
6
+4
⇒(49+20
6
)
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