1.

Prove that root 3 + 2 root 5 is an irrational number

Answer»

ANSWER:

LET root 3+2root5 be a rational number in FORM of P/Q

root 3+2root5=P/Q

root 3=P/Q - 2root5

hence root 3 is irrational number so root 3+2root5 is irrational number. PROVED


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