a4+4 এর উৎপাদক কী কী ?
Solution
Correct Answer: Option B
a4+4
= (a²)²+2.a².2+2²-2a².2
= (a²+2)²-(2a)²
= (a²+2+2a)(a²+2-2a)
= (a²+2a+2) (a²-2a+2)
= (a²)²+2.a².2+2²-2a².2
= (a²+2)²-(2a)²
= (a²+2+2a)(a²+2-2a)
= (a²+2a+2) (a²-2a+2)
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