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2 trains are move in opposite direction with velocity of 72km/hr and scnd is 54km/hr respectively…. they saw each other from 1 k

By Kylie

2 trains are move in opposite direction with velocity of 72km/hr and scnd is 54km/hr respectively…. they saw each other from 1 km far… and they both aaply breaks with 5m/sec square…. they colloid or not??? pls answer me fast…​

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Kylie

By mathematical induction, the result 2n – 3 s 2n-2 is true for all
A) n<2
B) n= 3
C) n5
D) 3<n<5​

) Show that the vectors 1 = 3 + + 1, 2 = 2 2 + 3, 3 = − 1 and 4 = 2 3 − 2 2 form a basis for 3.

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