Question
Solution
According to the question, x12 + x9 + x6 + x3 + 1 ⇒ (x3)4 + (x3)3 + (x3)2 + (x3) + 1 ⇒ (−1)4 + (-1)3 + (-1)2 + (-1) + 1 ⇒ 1 - 1 + 1 - 1 + 1 ⇒ 3 - 2 = 1
(408 × 680)÷(20% of 680) = (250 × 260)÷ 10 + ? – 4500
If [8(x + y)3 – 27(x – y)3] ÷ (5y – x) = Ax2 + Bxy + Cy2, then the value of (A2 - 2B + 3C)...
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If
= 2 then find If √b + (1/√b) = 11, then find the value of b + (1/b).
When positive numbers x, y and z are divided by 31, the remainders are 17, 24 and 27, respectively. When (4x - 2y + 3z) is divided by 31, the remainder ...
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If 125x3 - 64y3 = (Ax + By) (Dy2 - Cx2 + 20xy) , then the value of A + C - 2B + 3D is:
If 0.125x3 +0.216y3 = 210 and 0.25x2 + 0.36y2 = 10.30 then find the value of 0.5x + 0.6y.