EXERCISE 12.2 Q NO. 9 AND 10

Class 10 Exercise 10.2 Question 1 | CBSE Class 10 Ex -10.2 Q1 | NCERT | Class 10 Maths Chapter 10

Let P=[(1, 0, 0),(3, 1, 0),(9, 3, 1)]Q=[q_(ij)] and Q=P^5+I_3 then (q_21+q_31)/q_32 is equal to (A) 12 (B) 8 (C) 10 (D) 20

If A = {0,1,2,3} ,B = {3,6,9,12} and C = {0, 5,10,15} then the overlapping sets are

Convert the following into factorial. (i) 2.4.6.8.10.12.14.16.18.20 (ii) 1.3.5.7.9.11.13.15 (iii) 3.6.9.12.15 (iv) 6.7.8.9.10

Will a precipitate of Mg(OH)_(2) be formed in a 0.002M solution of Mg(NO_(3))_(2) if the pH of solution is adjusted to 9.K_(sp) of Mg(OH)_(2) = 8.9 xx 10^(-12) .

Q1 exercise- 2.1 part - 1

Q1 exercise- 2.1 part - 1

If P= {5,6,8,10,12,} , Q = {0,3,6,9,12,15,8} and R = { 0,1,2,3, ….10 } n (P cap Q ) , n ( Q cap R) and n(P cap R)

Let z_(k)=cos(2kpi)/10+isin(2kpi)/10,k=1,2,………..,9 . Then, 1/10{|1-z_(1)||1-z_(2)|……|1-z_(9)|} equals

Given that P (3, 2, 4) , Q (5, 4, 6) and R (9, 8, 10) are collinear. Find the ratio in which Q divides PR.