The value of (a+b) - (a-b) isRequired to answer. Single choice.
(1 Point)
a) 2a - 2b
b) 2a + 2b
c) 2b
d) 2ba
Answers
Answered by
0
Answer:
The value of
∣
∣
∣
∣
∣
∣
∣
∣
1+a
2
−b
2
2ab
2b
2ab
1−a
2
+b
2
−2a
−2b
2a
1−a
2
−b
2
∣
∣
∣
∣
∣
∣
∣
∣
is
C
1
→C
1
−bC
3
,C
2
→C
2
+aC
3
=
∣
∣
∣
∣
∣
∣
∣
∣
1+a
2
+b
2
0
b(1+a
2
+b
2
)
0
1+a
2
+b
2
−a(1+b
2
+a
2
)
−2b
2a
1−a
2
−b
2
∣
∣
∣
∣
∣
∣
∣
∣
=(1+a
2
+b
2
)
2
∣
∣
∣
∣
∣
∣
∣
∣
1
0
b
0
1
−a
−2b
2a
1−a
2
−b
2
∣
∣
∣
∣
∣
∣
∣
∣
=(1+a
2
+b
2
)
2
{(1−a
2
−b
2
+2a
2
)+2b
2
}
=(1+a
2
+b
2
)
3
Answered by
0
Answer:
option b 2a+2b the value if a+bis reqired
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