f (a) = a +5a-4 বহুপদীর a এর কোন মানের জন্য f(a) = 2 হবে।
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Step-by-step explanation:
given that f(a)=2
so that,
2=a +5a-4
2=6a-4
2+4=6a
6=6a
6a=6
a=6÷6
so.a=1
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