Question

How many species of angiosperms are present in India at present?​A)204 B)14500 C)372 D) 428​

Answer 1

Answer:

see this answer ta top of,

Your correct answer is option (b) 14500

Answer 2

Answer:

As we know that distance (d) between the two points (x

1

,y

1

) is given as-

d=

(x

2

−x

1

)

2

+(y

2

−y

1

)

2

Therefore,

Distance between the points (acosθ,0) and (0,asinθ)-

d=

(0−acosθ)

2

+(asinθ−0)

2

⇒d=

a

2

cos

2

θ+a

2

sin

2

θ

⇒d=

a

2

(cos

2

θ+sin

2

θ)

⇒d=

a

2

=∣a∣ units

verified_toppr

explaination

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