check whether 3/5 is zero of the polynomial 5x+21/7
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x=3/5
Putting value of x in given equation
p(3/5)=( 5 × ³/5 )+ 3
=(5×3)+3
= 15 + 3
= 18
Hence, p(3/5) is not equal to zero.
Therefore,it is not a zero of polynomial
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