6. The value of x for which 2x, (x + 10) and (3x + 2) are
the three consecutive terms of an A.P., is
(a) 6
(b) 6
(c) 18
(d) –18
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6. The value of x for which 2x, (x + 10) and (3x + 2) are
the three consecutive terms of an A.P., is
(a) 6
(b) 6
(c) 18
(d) –18
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Step-by-step explanation:
Consecutive terms of AP⇒2x,(x+10),(3x+2)
According to the properties
(x+10)−2x=(3x+2)−(x+10)
2(x+10)=2x+3x+2
4x+20=5x+2
x=18