Math, asked by arul1036, 1 month ago

he quadratic equation whose roots are tan75° and cot75° is:

(a) x2+4x+ 1 =0 (b) 4x2-x+ 1 =0 (c) 4x2+ 4x - 1 = 0 (d) x2 - 4x + 1 = 0

Answers

Answered by bandihalroopa

2

Step-by-step explanation:

A. Xx2+4x+1=0

-2x1+4x-1+1=0

-4+-4+1=0

B. 4x2-x+1=0

8- -1+1+7=0

C. 4x2+4x-1=0

8+4x-1=0

12x-1=0

12x1-13-1=0

D.

Previous Question

Next Question

Similar questions

English, 28 days ago

Imagine you are an astronaut who has just returned from the moon. Write a short note about your experiences. Please answer fast...

Math, 28 days ago

find the sides of square with the given area area 17.64 square cm ...

Chemistry, 28 days ago

. If the following reaction A+B ⇌ C+D is 4th order then the reaction must occurs in (A) single step (B) multi step (C) gas phase (D) low pressure...

English, 1 month ago

tashi cleans the house change in passive voice...

Computer Science, 1 month ago

Q19. In simple words, a key points to primary key of another table.

English, 7 months ago

fill the correct form of verb she (write) letters all morning but i(start)not yet...

Math, 7 months ago

A man walks 15/4 km in 1 hour. How far does he go in 3/2 hours ...

Chemistry, 7 months ago

two reactions involving water are shown. FeSo4+water-> hydrated iron sulfate Fe+O2+water ->rust which of these reactions are reversible by heating?