Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days
8104911739
For Business Enquiry

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

Ask CBSE Class 12 Science Mathematics question free ×

Queries asked on Sunday and after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.

  • CBSE×
  • Class 12 Science×
  • Mathematics×

CBSE Class 12 Science Mathematics Free Doubts and Solutions

CBSE - XII Science - Mathematics

Please solve it step by step

qsnImg
Asked by pro8mk 19th May 2019, 9:11 AM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics

why square root of icross times square root of i  is not equal to square root of 1

square root of negative 1 end rootcross times square root of negative 1 end rootequals square root of 1equals space p l u s space m i n u s space 1

Asked by govtsecschoolnayaganv051 16th May 2019, 12:35 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics

  find the sum of the following series: S = 7/6 + 13/12 + 21/20 +31/30 +............. + 9901/9900 A) 9749/100 B) 9849/100 C) 9949/100 D) 9649/100

Asked by Ranjeetgupta26068 12th May 2019, 1:04 AM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics

If dy/dx=6x then what is the value of y?

Asked by broy31122002 7th May 2019, 5:42 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics

Find the sum of the max. and min values of 1/1+(2cosx-4sinx)^2 

Asked by puneetgarg2555 1st May 2019, 10:32 AM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics

what is the domain of f(x) = cos^-1 (2x/1+x)

Asked by pdcavita 25th April 2019, 10:11 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics

if a be a matirx of order 3*4 if r1 denote first row and c2 denote second column then determine the order of matrices r1 and c2  

Asked by gjha20367 24th April 2019, 12:50 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics

sin[2cos^-1✓5/3] Is equal to

Asked by YOGESH VENKATESWARAN 23rd April 2019, 9:21 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics

How this equation possible as we know that matrix multiplication is not commutative then how BmB=BBm

qsnImg
Asked by govtsecschoolnayaganv051 23rd April 2019, 6:54 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

CBSE - XII Science - Mathematics

Show that if a is any m x n matrix, then ImA = A and AIn = A Please explain step by step that how (Im)ir (a)rj= (a)ij

Asked by govtsecschoolnayaganv051 20th April 2019, 4:18 PM
Answered by Expert

Answer this question

×
Your answer has been posted successfully!

Chat with us on WhatsApp