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Questions  

Number of solutions of the equation sinπx23=x223x+4 is

a
0
b
1
c
2
d
4

detailed solution

Correct option is B

We have sinπx23=x2−23x+4=x−32+1⇒LHS≤1,RHS≥1⇒LHS=RHS=1⇒x=3

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