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All posts related to Mathematics

Vishal Srivastav
Shared from NIMCET Mock - 2 on Jun 25, 2020 2:07 PM

is equal to

 
0
None of these
Please type your answer before submitting.
Vishal Srivastav

In second last step, there is an error, solution does not include '2' that is associated with sqrt x, the answer should be 1/4 and not 1/8.

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Aniket Kumar
Shared from Probability - 1 on Jun 23, 2020 11:54 AM

Let Q, R and T be three events. If the probability of occurrence of exactly one of the events out of Q and R is 1 - y, out of R and T is 1 - 2y, out of T and Q is 1 - y, and that of occurrence of three events simultaneously is y2, then the probability (P) that at least one out of Q, R and T will occur is

 
greater than 1/2
is equal to 1/3
greater than or equal to 1/2
less than or equal to 1
Please type your answer before submitting.
Aniket Kumar

Why in q1 we used formula of P(Q U R) as P(Q) P(R)-2P(Q intersection R) instead of p(q) p(r)-p(q intersection r) ???

Ch Aryan
Shared from EAMCET - 2 (Engineering) on Jun 02, 2020 7:14 PM

If z1 and z2 are any two complex numbers, then

 
|z1 + z2| |z1| + |z2|
|z1 + z2| > |z1| + |z2|
|z1 + z2| |z1| + |z2|
|z1 + z2| = |z1| + |z2|
Please type your answer before submitting.
Ch Aryan

Can you explain breifly

Aniket Kumar
Shared from Vectors and 3-D - 8 on May 30, 2020 2:12 PM

If a = i + j + k, b = 4i + 3j + 4k and c = i + j + k are linearly dependent vectors and |c| =, then

 
= 1, = -1
= 1, = 1
= -1,
= ±1, = 1
Please type your answer before submitting.
Aniket Kumar

Options given are wrong ... i think this is the 7-8th time i m finding misprints in your options..everytime error is there in either the questions or the answers....when will u wake up tcy ..u neither reply to your students comments. hate you

Ayush Kumar
Shared from Straight Line (Hard) on May 15, 2020 1:23 PM

The line L has intercepts a and b on the coordinate axes. The coordinate axes are rotated through a fixed angle, keeping the origin fixed. If p and q are the intercepts of the line L on the new axes, then is equal to:

 
– 1
0
1
None of these
Please type your answer before submitting.
Ayush Kumar

Where the fuck is solution