Factorize m3 - 2m2 - m + 2
...Factorize m3 - 2m2 - m + 2
(m2 + 1)(m - 2)
(m - 1)(m + 1)(m + 2)
(m - 2)(m + 1)(m - 1)
(m2 + 2)(m - 1)
Correct answer is C
m3 - 2m2 - m + 2
Let f(m) = m3 - 2m2 - m2 + 2
= f(1)
= 1 - 2 - 2 + 2 = 0
∴ m - 1 is factor m3−2m2−m2+2m−1
= m2 - m - 2
= (m - 1)m2 - m - 2
= (m - 1)(m + 1)(m - 2)
The mean of 2 - t, 4 + t, 3 - 2t, 2 + t and t - 1 is...
In triangle XYZ, ∠XYZ = 15o, ∠XZY = 45o and lXYl = 7 cm. Find lYZl....
Find the range of the following set of numbers 0.4, −0.4, 0.3, 0.47, −0.53, 0.2 and &min...
In the figure, O is the centre of circle PQRS and PS//RT. If PRT = 135, then PSO is ...
Express 8.750.025 in standard form ...
Find the range of the value of x satisfying the inequalities 5 + x ≤ 8 and 13 + x ≥ 7 ...