Question

1. Dy/dx y/(1-x^2)^3/2=x

Example 3 of chapter 8(introduction to trigonometry)class10 CBSE ncert

I'm having a doubt in this question 

the adjacent figure the measure of angle A is 👍👍

एक्स ^ na ^ n / Xa

1. 1 tan sq.A=sec sq.A
2. Sec sq.A - tan sq.A=1

• 9sec sq.A-9tan sq.A
• =9(sec sq.A-tan sq. A)
• =9(1)
• =1

application of derivatives

A laboratory blood test is 98% effective in detecting a certain disease when it is in fact, present. However, the test also yields a false positive result for 1.5% of the healthy person tested (i.e. if a healthy person is tested, then, the test will imply he has the disease). If 0.8% of the population actually has the disease, what is the probability that a person has the disease given that his test result is positive?

27 question

Jee mains