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If a+b+c is not equal to 0 and [a b c ],[ b c a ],[c a b] is equal to 0 , then using properties of determinants , prove that a= b= c.

Posted by Akash Saini Saini 7 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Akshara Nair 7 years, 8 months ago

1) r1--> r1+r2+r3 2)take a+b+c out 3)expand 4) take minus common and multiply divide by 2... 5) finally you will get(a+b+c) ((a-b) ^2+(b-c)^2+(c-a)^2)) =0

1Thank You

ANSWER

What all I have to do in mathematics to get passing marks...?

Posted by Farheen Anees 7 years, 8 months ago

CBSE > Class 12 > Mathematics

3 answers

P K 7 years, 8 months ago

Aoi,Matrics,determinants,Proba.,Differential eqn

1Thank You

Varun Kumar 7 years, 8 months ago

Kuch mat Kar aur make kar

0Thank You

K Gopika 7 years, 8 months ago

Do your school revisions well.

1Thank You

ANSWER

If alpha and beta are the intercepts made on the axes by the tangent at any point of the curve x=a [cos theta ] power 3 , y =b (sin theta ) power 3 prove that (alpha) power 2 /a power 2 + (beta ) power 2 / b power 2 =1

Posted by Shreyase Bhadra 7 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

K Gopika 7 years, 8 months ago

Last year's question, ncert.

2Thank You

ANSWER

For how much marks LPP will come?

Posted by Farheen Anees 7 years, 8 months ago

CBSE > Class 12 > Mathematics

2 answers

Farheen Anees 7 years, 8 months ago

Thanks

0Thank You

Varun Kumar 7 years, 8 months ago

Bhai 6marks Ka aayega

2Thank You

ANSWER

Integrate 1to4 lx-1l + lx-2l + lx-4l

Posted by Bushra Khan 7 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

K Gopika 7 years, 8 months ago

Miscellaneous question. You'll get it in this app

2Thank You

ANSWER

Find the coordinate of the point where the line through the point (3; -4; -5) & (2; -3; 1) crosses the plane determined by the point (1; 2; 3); (4; 2-3) & (0; 4; 3).

Posted by Harsh Obroy 7 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Sir is it compulsory to pass in maths as 6th subject??? Plzz rply me..

Posted by Siddharth Sinha 7 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Varun Kumar 7 years, 8 months ago

0Thank You

ANSWER

Find dy/dx,if y=e^sin^2x(2tan^-1√1-x/1+x)

Posted by Nikita Agarwal 7 years, 8 months ago

CBSE > Class 12 > Mathematics

2 answers

K Gopika 7 years, 8 months ago

Dude I did it. So shall we cross check}? Did you try this question? Shall we?

0Thank You

K Gopika 7 years, 8 months ago

So big. Need to use chain rule only.. since theyve aake dy/dx we need to do it at a stretch--chain rule

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ANSWER

Find integrate sin2x-cos2x/sinxcosx

Posted by Vijay Pal 7 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

cos>

Posted by Ameena S 7 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Cos

Posted by Ameena S 7 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

K Gopika 7 years, 8 months ago

Sin

0Thank You

ANSWER

How to find coplanar vectors

Posted by Sonam Choudhary 7 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

K Gopika 7 years, 8 months ago

Box product

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ANSWER

Sin-¹ ( sin π/6 )

Posted by Muskan Roperia 7 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

K Gopika 7 years, 8 months ago

π/6

0Thank You

ANSWER

sir ncert exampler se kitne number ka ata hai sir aur kaun se chapter se question easy hote hai

Posted by Rohit Yadav 7 years, 8 months ago

CBSE > Class 12 > Mathematics

2 answers

K Gopika 7 years, 8 months ago

So will you be doing example also? So much time you have to do them too :( . And easy one would be trigo,determinats,relations. Like that

1Thank You

Varun Kumar 7 years, 8 months ago

Bhai exemplar se pata Nahi kitne marks Ka Aaya hai

0Thank You

ANSWER

Evaluate integrate02 x2*3dx limit of sum

Posted by Sourabh Soni 7 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

sir math ki tayari kaise kare

Posted by Rohit Yadav 7 years, 8 months ago

CBSE > Class 12 > Mathematics

4 answers

Varun Kumar 7 years, 8 months ago

Bhai Kuch may mar aur make le le

0Thank You

Rohit Yadav 7 years, 8 months ago

thanks

0Thank You

Vishal Bothra 7 years, 8 months ago

Likh ke practice krro

0Thank You

Rahul Tiwari 7 years, 8 months ago

ncert or ncert examplar

2Thank You

ANSWER

Show that the height of a closed cylinder of given volume and the least surface area is equal to its diameter

Posted by Jiya Raj 7 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Sridhar Sri 7 years, 8 months ago

NCERT

1Thank You

ANSWER

3d miscellaneous ex. Que. 8

Posted by Satyender Kumar 7 years, 8 months ago

CBSE > Class 12 > Mathematics

2 answers

Salma Khan 7 years, 8 months ago

Passing pt given hai or plane ki direction same as given plane

0Thank You

Rahul Tiwari 7 years, 8 months ago

find the point of line(L2) which is perpendicular to both plane and line (L1)

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Where trignometry is used logically in real life

Posted by Progoku Assassin 7 years, 8 months ago

CBSE > Class 12 > Mathematics

2 answers

Varun Kumar 7 years, 8 months ago

Bhai pehle exam to pass mar le tab sochna

1Thank You

Rahul Tiwari 7 years, 8 months ago

jab building or kisi bade projects par kaam karoge tab

0Thank You

ANSWER

how to draw the line by knowing its equation in chapter APPLICATION OF INTEGERALS?

Posted by Harshit Jain 7 years, 8 months ago

CBSE > Class 12 > Mathematics

2 answers

Vishal Bothra 7 years, 8 months ago

From pencil But if you want to make a straight line you would be needing a ruler also

2Thank You

Ddaamman Vaishnav 7 years, 8 months ago

in an equation eg.x+5y =10 we can find the value of x by putting x=10-5y if we put x=0 then y =2 if we put y=0 then x=10 so passing points are (0,2) and (10,0)

3Thank You

ANSWER

If A a matrix of order 3*

Posted by Shaan Rawat 7 years, 8 months ago

CBSE > Class 12 > Mathematics