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### High School Mathematics6.9 Square Roots of Algebraic Expressions Review - I

 Q 1: Find the value of m and n so that x4 - 6x3 + 5x2 + mx + n is perfect square. m = 6 and n = 8m = 12 and n = 4m = 8 and n = 6m = 4 and n = 12 Q 2: Find the square root of 64x2y2.8xy8x2y8xy2None of these Q 3: Find the square root of the equation 4x4 + 8x3 + 9x2 + 4x + 4 = 0 using undetermind method.2x2 + x + 22x2 - x + 22x2 + 2x + 22x2 + x + 1 Q 4: What is the first degree expression to be added to x4 + 4x3 - 4x2 - 19x + 11 = 0 to make it perfect square.3x - 53x - 63x + 53x + 6 Q 5: Find the square root of x4 + y4 + z4 + 2x2y2 + 6x2z2 + 6y2z2.x2 + y2 - 3z2x2 + y2 + z2x2 + y2 + 3z2x2 +3 y2 + 3z2 Q 6: Find the square root of the equation x4 + 4x3 + 8x2 + 8x + 4 = 0 using division method.x2 + x + 2x2 + 2x+ 1x2 + 2x - 2x2 + 2x + 2 Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!