a) when a=O, b = 1, find the value of the given
expressions : 2a ² + b² + 1
b)What should be subtracted from 2a+8b+ 10 to get
-3a +7b+ 16 ?
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Answer:
a=0
and b=1
(a)so 2a^2+b^2+1
=2*0^2+2*1^2+1
=0+2+1
=3
(b). 2a+8b+10-(x)=-3a+7b+16
-x=-3a+7b+16-2a-8b-10
-x=-5a-1b-3
x=5a+1b+3
therefore 5a+1b+3 should be subtracted from 2a+8b+10 to get -3a+7b+16
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