Q 1 : How much is to be added to 4x^{4} - 12x^{3} - 11x^{2} + 30x + 21 to make it perfect square. 7 5 3 4
Q 2 : What is the first degree expression to be subtracted from 9x^{4} - 12x^{3} + 12x^{2} - 9x + 13. 2x + 4 3x + 4 3x - 4 2x - 4
Q 3 : How much is subtracted from 16x^{4} - 24x^{3} - 23x^{2} + 24x + 28 to make it perfect square. 16 12 10 8
Q 4 : What is the first degree expression to be subtracted from 16x^{4} + 16x^{3} + 20x^{2} + 10x - 1. 2x - 4 2x - 3 3x - 4 3x + 4
Q 5 : What is the first degree expression to be added to x^{4} + 6x^{3} + 19x^{2} + 27x + 23. 2x + 3 2x - 4 3x + 2 2x + 4
Q 6 : How much is subtracted from 4x^{4} + 12x^{3} + 17x^{2} + 2x + 7 to make it perfect square. 5 2 3 6
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