If 33 @ 16 = 15' and 41 @ 32 = 7', then 64 @ 33 = ?'. What will come in place of question mark?
33 x 16 = 528; 5 + 2 + 8 = 15 41 x 32 = 1312; 1 + 3 + 1 + 2 = 7 64 x 33 = 2112; 2 + 1 + 1 + 2 = 6
If x1 and x2 are the roots of the equation 2x2 + 3x – 9 = 0, then the equation which has the roots 1/x1 and1/x2 is:
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