book Maths Puzzle Numerical Ability

I need so much help on subtracting square roots. The question is : find the differnece of square root of 288 and square root of 72. please help

Read Solution (Total 1)

sqrt(288)-sqrt(72) = sqrt(4*72) - sqrt(72)
= 2 sqrt(72) - sqrt(72)
= sqrt(72)
10 years agoHelpfull: Yes(0) No(0)

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