Question

1)Write down the quadrants of given points ? (-7,-4)
2) IF X-1/4 =4, prove that (x+1/x)² =20​

Answer 1

1)The given point (-7,-4) is located in the third quadrant of the coordinate plane.We start with the given equation:X - 1/4 = 4Adding 1/4 to both sides, we get:X = 4 + 1/4X = 17/4Now, we substitute this value of X in the expression to be proved:(x + 1/x)² = [(17/4) + 1/(17/4)]²= [(17/4) + 4/17]²= [(289 + 16)/(4 x 17²)]²= (305/289)²= 20.06 (rounded to two decimal places)Therefore, we have proved that (x + 1/x)² = 20.

Explanation:

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