evaluate using identities : a) 102×106. ___ b) (4a -b +2c)^2. c); (1/x +y/3 )^3
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Answer:10812
Step-by-step explanation:
102 X 106=
(100 + 2)(100+6)
This is in the form identity III [ (x+a)(X+b) = x^2 + (a+b)x + ab
= 100^2 + (6+2)100 + 2(6)
10000+8(100) +12
10000+800 +12
10800 + 12
10812
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