If A is real and 1 + A + A2 + A3 = 40, then A is equal to:
-3
-1
1
3
Additional Questions
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(1 + 3 + 5 + … + 3983) / 1992 = ? |
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Which one of the following should be added to 25p2 + 16q2, so that the resulting sum becomes a perfect square? |
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(1.0816) 1/2= ? |
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If the digit in the units place of a square natural number is 6, then the digit in the tens place will be: |
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(a+b)3-(a-b)3 can be factorized as: |
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If 9x2+3px+6q when divide by 3x+1 leaves a remainder -3/4 and qx2+4px+7 is exactly divisible by x+1, then the values of p and q respectively will be: |
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The equations 2x+3y-7=0 and 10x+15y-35=0 are: |
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The solution of the simultaneous equations (1/2)x + (1/3)y = 2 and x+y=1 is: |
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If the equation x2-2(k+1)x+(9/2)k=0 has two identical roots then the values of k are: |
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The number which should be subtracted from 5a2-3ab+7b2 to make it equal to a2+ab+b2, is: |
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