the speed of a train 60 km h distance covered by the train in in 4 hours would be options 15 km 240 km 1 by 15 km
Answers
Answered by
1
Explanation:
Putting the value of a + 1/a we get
\sf \small a^{3} + \frac{1}{ {a}^{3} } \rarr {(1)}^{3} - 3(1)a
3
+
a
3
1
→(1)
3
−3(1)
\sf \small a^{3} + \frac{1}{ {a}^{3} } \rarr1 + 3a
3
+
a
3
1
→1+3
\sf \small a^{3} + \frac{1}{ {a}^{3} } = 4a
3
+
a
3
1
=4
Answered by
4
Answer:
the speed of a train 60 km h distance covered by the train in in 4 hours would be options 15 km 240 km 1 by 15 km
Explanation:
the speed of a train 60 km h distance covered by the train in in 4 hours would be options 15 km 240 km 1 by 15 km
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