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Recent questions and answers in Class XII Maths
–1
vote
2
answers
If 3 tan-1 x + cot-1 x = π, then x equals
answered
Oct 23, 2019
in
Class XII Maths
by
Vishnuteertha
Basic
(
24
points)
inverse trigonometric functions
–1
vote
0
answers
How to solve AP
asked
Aug 3, 2019
in
Class XII Maths
by
Anmolshah
(
15
points)
0
votes
0
answers
Is x+y+1=0 a tangent of both y^2=4x and x^2=4y parabola?
asked
Jul 23, 2019
in
Class XII Maths
by
Swarna
(
5
points)
conic sections
parabola
0
votes
0
answers
If in ∆ ABC, cotA+ cotB+cotC=cotx, then prove that, sin^3(x) =sin(A-x) sin(B-x) sin(C-x)?
asked
Jul 11, 2019
in
Class XII Maths
by
Swarna
(
5
points)
trigonometry
trigonometric functions
0
votes
0
answers
If in ∆ ABC, cotA+ cotB+cotC=cotx, then prove that, sin^3(x) =sin(A-x) sin(B-x) sin(C-x)?
asked
Jul 10, 2019
in
Class XII Maths
by
Swarna
(
5
points)
trigonometry
0
votes
1
answer
Subtract the sum of 3a2 – 2a + 5 and a2 – 5a – 7 from the sum of 5a2 -9a + 3 and 2a – a2 – 1
answered
Jun 3, 2019
in
Class XII Maths
by
muskan15
(
-3,445
points)
fundamental concepts (including fundamental operations)
0
votes
0
answers
Limit of class interval 10-20,20-30,30-40
asked
Apr 25, 2019
in
Class XII Maths
by
BBPD
(
15
points)
0
votes
0
answers
-2a, a+b, a+c : b+a, - 2b, b+c: c+a, c+b, - 2c prove that 4(b+c)(c+a)(a+b)
asked
Apr 20, 2019
in
Class XII Maths
by
gunja
(
10
points)
determinants
0
votes
0
answers
-2a, a+b, a+c: b+a,
asked
Apr 20, 2019
in
Class XII Maths
by
gunja
(
10
points)
–1
vote
0
answers
frequency distribution
asked
Apr 18, 2019
in
Class XII Maths
by
Mandy
(
19
points)
0
votes
0
answers
If (x1,y1) and (x2,y2) are the extrimities of a focal chord
asked
Apr 4, 2019
in
Class XII Maths
by
rnsabir72
(
15
points)
0
votes
0
answers
show that the function f->R -> R given by f(x)= sinx is neither 1-1 nor onto
asked
Feb 28, 2019
in
Class XII Maths
by
sundar
(
15
points)
0
votes
0
answers
Find the approximation values of, tan(45°10'), given that 1°=0.0175
asked
Jan 30, 2019
in
Class XII Maths
by
Ashima1224
(
15
points)
application of derivatives
0
votes
0
answers
Find the matrice A such that [2 -1 1 0 A -3 4] = [ -1 -8 -10 1 -2 -5 9 22 15 ]
asked
Jan 5, 2019
in
Class XII Maths
by
Avadh bhati
(
15
points)
matrices
0
votes
0
answers
3. Show that the line joining (2,-3) and (-5,1) is parallel to the line joining (7,-1) and (0,3).
asked
Nov 25, 2018
in
Class XII Maths
by
arun811
(
-61
points)
plzzz answer fast tmrw i have pre board exam
0
votes
0
answers
If the (p+1)th term of an a.p. is twice the (q+1)th term ,show that (3p+1) th term is twice the (p+q+1)th term
asked
Nov 23, 2018
in
Class XII Maths
by
-shivani-
(
15
points)
0
votes
0
answers
Equation of circle
asked
Nov 21, 2018
in
Class XII Maths
by
Harsh pokale
(
15
points)
0
votes
0
answers
f(X) = √(4 - 2x^2). Is this a function. What is the domain? Explain?
asked
Nov 20, 2018
in
Class XII Maths
by
Rahul Saha
Basic
(
25
points)
calculus
relations and functions
0
votes
0
answers
Find the ratio in which the join of the points (2,-1,-3),(3,5,-4)is the divided by the plane YOZ.
asked
Nov 15, 2018
in
Class XII Maths
by
MVikash_oo7
(
15
points)
0
votes
1
answer
The area of an equilateral triangle is √3. What is the perimeter of the triangle?
answered
Oct 21, 2018
in
Class XII Maths
by
Kiran1151
Basic
(
20
points)
heron’s formula
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