Question

Two bags contain respectively 10 white, 6 red and 9 black balls and 3 white, 7 red and 15 black balls. One ball is drawn from each box. Find the probability that (a) Both Balls are Red. (b) Both Balls are of the same colour.​

Answer 1

Answer:

the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.

Step-by-step explanation:

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Answer 2

Answer:

∫x

3

cosx

2

dx

=∫(x

2

cosx

2

)xdx

Let t=x

2

⇒dt=2xdx

⇒

2

dt

=xdx

=

2

1

∫tcostdt

Let u=t⇒du=dt to

and dv=costdt⇒v=sint

=

2

1

[tsint−∫sintdt]

=

2

1

[tsint+cost]+c where t=x

2

=

2

1

[x

2

sinx

2

+cosx

2

]+c where c is the constant of integration.