Fsc Part 1 Mathematics (Complete Solution)

Q5
Prove That

-
7
12
-
5
18
=
-21 - 10
36
SOLUTION:
L.H.S = -
7
12
-
5
18
= 1 x -
7
12
- 1 x
5
18
= (3 x
1
3
) x -
7
12
- (2 x
1
2
)
5
18
= -
21
36
-
10
36
=
-21 -10
36

= R.H.S

Hence Proved...

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