Square root Q-14 वर्गमूल.related problems✌maths short trick

R is a positive number.It is multiplied by 8 and then squared.The square is now divided by 4 and the square root is taken.The result of the square root is Q .What is the value of Q?3R( b) 4R( c) 7R( d) 9R

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Find the square roots of -48-14i .

cost related problems in which cost is given in Rs per square metre