Question

difference of teh square of 2 natural number is 84. the square of the larger number is 25 times the smaller number

Answer 1

value of Y will be not 21 because when it is substituted in the equation 2 the value of x is found to be a rational number
in the question it is given as x is natural number
so y equals to 21 is not the correct answer Y = 4 is the correct answer