Mark the correct alternative in each of the following:

If , the value of x is


RHS = (0.0625)-54


∴


⇒ (4-2)-54 = 4108


LHS = 43(1+2+3…3x)


Sum of AP=





LHS =


⇒ 27x2+9x-216 =0


⇒ 3x2+x-24 = 0


⇒ 3x2+9x-8x-24 = 0


⇒ 3x(x+3)-8(x-3) =0



∴ x =8.

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