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What is boolean expression

Posted by Vinod Kumar 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Divyansh Pratap Singh 7 years ago

It is an expression which determines the Logic Gates and its truth tables. For: OR gate ; Y=A÷B AND gate; Y=A.B NOT gate; Y=A^

ANSWER

(Tan invers x)power y + y power cotx = 1find dy/dx

Posted by Jigyasa Rajput 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Rahul Choudhary 7 years ago

Let( tan invers x )power y =v and take log on both side. Similarly take y power cotx = w

ANSWER

How transpose and inverse of square matrix is related to each other. Except transpose of A inverse = inverse of A transpose

Posted by Vaishnavi Singh 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Adithyan Karthik 7 years ago

In inverse A=IA

ANSWER

Find the value of a and b if f(x)={x+sinx÷sin(a+1)x ;

Posted by Silloha Philip 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the eqn of the circle passing through origin

Posted by Vidhi Jain 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Exercise 14 . 3 answers

Posted by Abdul Hakkim 7 years ago

CBSE > Class 12 > Mathematics

2 answers

Vinod Kumar 7 years ago

Only 13 chapters in ncert

Dharshika As 7 years ago

what is chapter 14 in ncert can you please tell the name ?

ANSWER

Is only 10 previous year paper are sufficient of boards

Posted by Jatin Sheoran 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Nikhil Kumar 7 years ago

Yes at this time

ANSWER

Show that the equation of normal at any point on the curve x=3cost-cos cube t & y=3sint-sincubet is

Posted by Varshu Senthil 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Full form of integral

Posted by Abc Kamboz 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Solve differential equation (x-1)dy+ydx=x(x-1)y^1/3dx

Posted by Biswajit Naik 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

666.6 in round figer

Posted by Maninder Singh 7 years ago

CBSE > Class 12 > Mathematics

2 answers

Prateek Seth 7 years ago

667

Maninder Singh 7 years ago

how 666.6 in roundfiger

ANSWER

ABCD is trapezium in which AB parallel to cd,dc=30cm and AB=40cm.If x and y are the midpoint of side AD and BC respectively, prove that : ar(dcyx)=7/9 ar(xyba)

Posted by Gurchet Gill 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Cos-1(1-2x^2)=2sin-^x

Posted by Praveen Kumar 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Is ncert sufficient? #Forboards

Posted by Vivek Vishal Mishra 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Prateek Seth 7 years ago

Yes it is sufficient to score 90..for above you must need supplementary books and sample papers

ANSWER

If a line has direction ratios -18, 12, -4 then what are its direction cisines

Posted by Pumin Ngurang 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Prateek Seth 7 years ago

-18/22, 12/22, - 4/22. [(-18)² + (12)²+(-4)²= root 484=22]

ANSWER

If the rate of change of volume of a sphere is equal to the rate of change of its radius find the radius of the sphere

Posted by Neetu Singh 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Prasann Zanzari 7 years ago

12

ANSWER

Four position vectors proof these vectors are coplanar

Posted by Akansha Shakya 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Prateek Seth 7 years ago

(ab cd ad) =0

ANSWER

Using LMV theorem, prove that there is a point on the curve Y=2x²-5x+3 between the points A(1,0) and B(2,1) , where tangent is parallel to chord AB. Also find that point.

Posted by Priya Rastogi 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integration x√(1+x-x²)dx

Posted by Aishwary Jain 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Collegative property

Posted by Ankit Murari 7 years ago

CBSE > Class 12 > Mathematics

2 answers

Shubham Pal 7 years ago

It depends on the number of solute not a nature of solute

Shivam Bhati 7 years ago

It depend on no. Of moles rather than nature of molecule

ANSWER

How to prove that * is a binary operation

Posted by Sumit Kumar 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Show that Limit |x| does not exist

Posted by Sanitkar Kumar 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

If a 3x3 matrix is made entirely from 0 and 1, then what is the probability that it's determinant is 0

Posted by Mahek Sarda 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Anshu Kumar 7 years ago

1/2

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(X-3)underroot x squar +4x+3 dx

Posted by Ashish Kumar 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Limit from 0 to pie integral of xtanx/ x+ tanx

Posted by K T 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Limits 0 to 5 integral of| x+2|+|x|+|x+5|dx.

Posted by Neelam Donkal 7 years ago

CBSE > Class 12 > Mathematics

2 answers

Gaurav Seth 7 years ago

The below solution is as per this ques: Integral 0-5 |x|+|x-2|+x-5|.dx

Gaurav Seth 7 years ago

{tex}Let I = ∫50[|x| + |x−2| + |x−5|] dx =∫20[x − (x − 2) − (x − 5)] dx + ∫52[x + (x − 2) − (x−5)] dx =∫20(7−x) dx + ∫52(x + 3) dx=[7x − x22]20 + [x22 + 3x]52 =[(14−2) − 0] + [(252 + 15) − (2 + 6)]=12 + 552 − 8 =4 + 552=632{/tex}

ANSWER

A circle is inscribed in a ? having sides 8cm, 10cm and 12cm as in figure. Find the length of AD, BE, and CF(in CM) here circle make point F, E and D

Posted by Mani Prajapati 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

What is thé intégral of 1+cotx/x+log(sinx) dx

Posted by Paul Xavier 7 years ago

CBSE > Class 12 > Mathematics

1 answers

Rahul Choudhary 7 years ago

Let x+log(sinx) =t and than dt =1+cotx . therefore question will reduce in form of dt/t

ANSWER

What is the integral of x tanx/ x+tanx

Posted by K T 7 years ago

CBSE > Class 12 > Mathematics

2 answers

K T 7 years ago

Definite limit from 0 to pie

Sahana Sankar 7 years ago

Definite or indefinite integral?

ANSWER

If f(x)=|x|, show thatf'(2)=1

Posted by Kaushik Saha 7 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

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