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Q1
:
Evaluate :
(2.39)
2
- (1.61)
2
2.39 - 1.61
A
2
B
4
C
6
D
8
Solution
ANS:
B
- 4
Given Expression =
a
2
-
b
2
=
(
a
+
b
)(
a
-
b
)
= (
a
+
b
) = (2.39 + 1.61) = 4.
a
-
b
(
a
-
b
)
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