3. If a and b are coprime, then a? and b area) even numbersc) odd numb

1.	3. If a and b are coprime, then a? and b area) even numbersc) odd numbersb) not coprimed) coprime
Answer» If a and b are co prime then. either a or b , have to odd. so, the square of odd is always odd. and for even . it is even. therefore adding both squares we will get a²+b² odd+even = odd. option c is correct.

3. If a and b are coprime, then a? and b area) even numbersc) odd numbersb) not coprimed) coprime

Answer»

If a and b are co prime then. either a or b , have to odd.

so, the square of odd is always odd. and for even . it is even.

therefore adding both squares we will get a²+b² odd+even = odd. option c is correct.