Home
Class 7
MATHS
If A=(d)/(2)(a+b), then which of the fol...

If `A=(d)/(2)(a+b)`, then which of the following is/are true?

A

`d= (2A)/( a+b)`

B

`a = ((2A)/(d) ) -b`

C

Both (a) and (b)

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • FORMULAS

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (Test 1)|12 Videos
  • FORMULAS

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (Test 2)|8 Videos
  • FORMULAS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (Level 2) |17 Videos
  • FORMULAE

    PEARSON IIT JEE FOUNDATION|Exercise TEST 2|11 Videos
  • GEOMETRY

    PEARSON IIT JEE FOUNDATION|Exercise Test-2|12 Videos

Similar Questions

Explore conceptually related problems

If A=c(a^(2)+b^(2)) , then which of the following is/are true?

If the integers a,b,c,d are in A.P a

If AB=A and BA=B, then which of the following is/are true? A is idempotent b.B is is idempotent c.A^(T) is idempotent d.none of these

If tan A=(1)/(2) and tan B=(1)/(3) , then which of the following is true ?

If D_(1) and D_(2) are two 3xx3 diagonal matrices, then which of the following is/are true? D_(1) and D_(2) is a diagonal matrix b.D_(1)D_(2)=D_(2)D_(1) c.D_(1)^(2)+D_(2)^(2) is a diagonal matrix d.none of these

For two events A and B , if P(A)P((A)/(B))=(1)/(4) and P((B)/(A))=(1)/(2) , then which of the following is not true ?

If (3a+4b):(3a-4b)=(3c+8d):(3c-8d), then which of the following is true?

If D_(1) and D_(2) are two 3xx3 diagonal matrices, then which of the following is/are true ?