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  1. The value of
    (2.697 − 0.498)2 + (2.697 + 0.498)2
    		is
    2.697 × 2.697 + 0.498 × 0.498
    1. 4
    2. 2
    3. 2.199
    4. 3.195
Correct Option: B

Let 2.697 =a and 0.498 = b

∴  Expression =
(a − b)2 + (a + b)2
a2 + b2

=
2(a2 + b2)
 = 2
a2 + b2


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