Question

Factorization of 2a + 6d is
1) 2 (a - 3d)
2) 2 ( a+ 3d)
3) 3 ( 2a + 3d)
4) 2 ( 3a + d)​

Answer 1

Answer:

2) 2 ( a+ 3d)

Hope it's helpful....

Answer 2

Answer:

2A+3B→4C

or A+23B→2C

dtd[A]=2.5×10−4 (Given)

Then dtd[B]=23×2.5×10−4=3.75×10−4

& dtd[C]=2×2.5×10−4=5×10−4