Question
answer this 
Find the distance between the following pairs of point (2, 3)( 4, 1)
Maths
March 27, 2021, 10 p.m.
Answer
- In a triangle ABC, right angled at A , if tanC=√3, find the value of sinB cosC cosB sinC
Maths
March 27, 2021, 9:10 p.m.
Answer
2. Two players A and B are competing at a trivia quiz game involving a series of questions. On any individual question, the probabilities that A and B give the correct answer areαandβrespectively, for all questions, with outcomes for different questions being independent. The game finishes when a player wins by answering a question correctly. Compute the probability that A wins if
a) A answers the first question,
b) B answers the first question.
Sir if in this qeustion , while calculating adj(A) , can we directly write co factors and calculate it in board examination?
Is it complusy to show minors and then calculate co factors , will there be any mark reduction of solving directly in CBSE board , the concern is time management sir ?
Is it complusy to show minors and then calculate co factors , will there be any mark reduction of solving directly in CBSE board , the concern is time management sir ?