please solve the given questions. please.
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Step-by-step explanation:
questions are quit easy but can you select one ques because it is difficult to give answer of all of the given questions.
Answered by
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Answer:
sure
Step-by-step explanation:
2
n
×6
m+1
×10
m−n
×15
m+n−2
=
4
m
×(3
2
)
m
×3
n
×25
m
×25
−1
2
n
×6
m
×10
m
×10
−n
×15
m
×15
n
×15
−2
=
3
n
×(4×3
2
×25)
m
×
25
1
(2×
10
1
×15)
n
×(6×10×15)
m
×6×
15
2
1
=
3
n
×900
m
×
25
6
3
n
×900
m
×
225
6
=
225
6
×
1
25
=
9
6
=
3
2
Question number 15 -
−1
+b
−1
a
−1
+
a
−1
−b
−1
a
−1
=
b
2
−a
2
2b
2
.
Let us consider,
a=
a
−1
+b
−1
a
−1
+
a
−1
−b
−1
a
−1
=
a
1
+
b
1
a
1
+
a
1
−
b
1
a
1
=
a+b
a
ab
+
b−a
a
ab
=
b
2
−a
2
b
2
−ab+ab+b
2
a=
b
2
−a
2
2b
2
∴
a
−1
+b
−1
a
−1
+
a
−1
−b
−1
a
−1
=
b
2
−a
2
2b
2
16 . in attachment.
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