[" 4.If "4" stands for the operation 'adding first member to twice the second mumber',then find the value of "],[(1,12)Delta3" ."]

If Delta stands for the operation text('adding first number to twice the second number'), then find the value of (1\ Delta\ 2)\ Delta\ 3.

Find the value of (-3)(-4)(12)(-1)= .....

Adding 4 to twice a number yields (25)/(6) . Find the number.

If 21 is added to the number first number of two given numbers, it becomes twice the second number and if 12 is added to the second number, it becomes twice the first number. Find the numbers.

There are two numbers such that the sum of twice the first number and thrice the second number is 100 and the sum of thrice the first number and twice the second number is 120. Which is the larger number? a. 12 b. 14 c. 32 d. 35

IF A={:|(3,4),(1,2)| find the value of 3|A|.

Given a triangle ABC with AB= 2 and AC=1 . Internal bisector of angleBAC intersects BC at D. If AD = BD and Delta is the area of triangle ABC, then find the value of 12Delta^2 .

Select the correct option from the given alternatives.The sum of three numbers is 2. If twice the second number is added to the sum of first and third , the sum is 1. By adding second and third number to five times the first number, we get 6. Then the three numbers are i] 1,-1,2 ii] 2,1,-1 iii] 1,1,1 iv] 1,2,-1

The sum of three numbers is 2. If twice the second number is added to the sum of first and third, the sum is 1. By adding second and third number to five times the first number, we get 6. Find the three numbers by using matrices.