Question

Q8. Without actually calculating cubes, find the value of:
(i) (0.2) -(0.3) + (0.1)
(2x-3y) + (3y-4z) + (47-2x)?
(ii)
09. If p=2-a, prove that a + bap + p3-8=0
Q10. Simplify using identity:
186x186x186 + 14x14x14
186x186 - 186x14 + 14x14
211. If a + b = 10 and a2 + b² = 58, find the value of a + b3
212. Find the value of a and b so that (x+1) and (x-2) are the factors of
X3 + ax² + 2x + b.​

Answer 1

Answer:

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