## If (1+m^2)x^2+2mcx+c^2-a^2=0 then prove that a^2(1+m^2)=c^2​

Question
If (1+m^2)x^2+2mcx+c^2-a^2=0 then prove that a^2(1+m^2)=c^2​
13 mins

## (-2) power x+1 (-2) power 5 = (-2) power 7​

Question
(-2) power x+1 (-2) power 5 = (-2) power 7​
14 mins

## By how many times does the value of 6 go up when it moves to the left by 1 digit

Question
By how many times does the value of 6 go up when it moves to the left by 1 digit
18 mins

## Given the eight-element population 8, 12, 15, 18, 21, 27, 32 and 36. How many samples of size 2 can be drawn, without replacement from this

Question
Given the eight-element population 8, 12, 15, 18, 21, 27, 32 and 36. How many samples of size 2 can be drawn, without replacement from this population? Compute the sampling distribution of the mean for samples of size 2. Compute ...
18 mins

## how many natural numbers lies between 8^2 and 9^2​

Question
how many natural numbers lies between 8^2 and 9^2​
21 mins

## . दर्शाइए कि |1+a 1 1+b 1 = bc +ca + ab + abc 01 1+​

Question
. दर्शाइए कि|1+a1 1+b 1 = bc +ca + ab + abc01 1+​
21 mins

## 0.3 Find the sum of the place values of 4 in each of the following. 48,124 a =)​

Question
0.3Find the sum of the place values of 4in each of the following.48,124a=)​
25 mins

## Four-fifths of the members of a club are female. Three-quarters of these females are over 20 years old. What fraction of the members of the

Question
Four-fifths of the members of a club are female. Three-quarters of these females are over 20 years old. What fraction of the members of the club are females over 20 years old?
25 mins

## A dealer bought 3 loads of wood weighing 2894 kg. 7394 kg and 52801 . if he had sold 29427 kg of wood. how much wood is left​

Question
A dealer bought 3 loads of wood weighing 2894 kg. 7394 kg and 52801 . if he had sold 29427 kg of wood. how much wood is left​
28 mins

## find perfect cube numbers from 1 to 50 ​

Question
find perfect cube numbers from 1 to 50 ​
29 mins