CBSE Class 9 Answered
(a) Find the value
of 34 x 36 using suitable identify.
(b) Simplify using
identify: 
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
(a) 34 
36 = (30 + 4)
(30 + 6)
Using identity (x+ a) (x + b) = x2 + (a + b) x + ab
Let x = 30, a = 4, b = 6
34 36 = (30 + 4)
(30 + 6)
= 302 + 30 (4 + 6) + 4 6
= 900 + 300 + 24
= 1224
(b) 
Answered by | 04 Jun, 2014, 03:23: PM
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