2nd PUC Maths Important Questions

[Rohit Barla]

Can you give me Question Paper for Karnataka 2nd PUC Mathematics subject Examination in PDF file format ??

Here I am giving you Question Paper for Karnataka 2nd PUC Mathematics subject Examination in PDF file attached with it ..

Answer any ten questions : 10 × 2 = 20
11. Find the sum of all positive divisors of 72.
13. Write the composition table for G = { 2, 4, 6, 8 } under multplication
modulo 10 and find the identity element.
16. Find the centre of the hyperbola 9x 2 – 4y 2 + 18x – 8y – 31 = 0 .

20. A particle is travelling in a straight line whose distance is given by
s = 4t 3 – 6t 2 + t – 7 units. Find the velocity of the particle after
t = 2 seconds.

I. Answer any three questions : 3 × 5 = 15
23. Find the G.C.D. of 506 and 1155 and express it in the form of
506 (a) + 1155 (b) ( where a and b are integers ). Also show that the
expression is not unique.

b) Solve by Cramer’s Rule : 2x – 3y = 5, 7x – y = 8. 2
25. Prove that the set M of all 2 × 2 matrices with elements of real
numbers form an Abelian group with respect to addition of matrices.
5
26. a) Find the vector of magnitude 12 units which is perpendicular to
both the vectors →a = 4 ^i – ^j + 3 ^k and
→b
= – 2 ^i + ^j – 2 ^k . 3
b) If →a = 5 ^i + 2 ^j – 3 ^k and →b = 4 ^i + 2 ^j + 5 ^k are two
vectors, find the projection of →a on →b . 2

respected
I am not solve my questions bank please help to solve my questions bank
thanku