Home
Class 8
MATHS
If (1)/(a)+(1)/(b)=(1)/(c)+(1)/(d), expr...

If `(1)/(a)+(1)/(b)=(1)/(c)+(1)/(d)`, express a in terms of b,c and d.

A

` a = (bcd)/(bc+ cd- bd) `

B

` a= (bcd)/(cd+bd-bc) `

C

` a= ( bcd)/(bd + bc+cd)`

D

` a= (bcd)/(bd+bc-cd)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • Formulae

    PEARSON IIT JEE FOUNDATION|Exercise Very Short Type Question|20 Videos
  • Formulae

    PEARSON IIT JEE FOUNDATION|Exercise Short Answer Type Question|25 Videos
  • GEOMETRY

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (Level 1)|60 Videos

Similar Questions

Explore conceptually related problems

If a, b, c and d are in harmonic progression, then (1)/(a), (1)/(b), (1)/(c) and (1)/(d) are in ______ progression.

If (1)/(b-a)+(1)/(b-c)=(1)/(a)+(1)/(c), then a b,c are in (A) AP(B)GP(C)HP(D) NONE

If (a,(1)/(a)),(b,(1)/(b)),(c,(1)/(c))o*(d,(1)/(d)) are four distinct points on a circle of radius 4 units,then abcd is equal to (A) 4(B)16 (C) 1 (D) 2

If (a,(1)/(a)),(b(.1)/(b)),(c,(1)/(c)),(d,(1)/(d)) are four distinct points on a circle of radius 4 units then,abcd is equal to:

If ((x)/(a))+((y)/(b))=1 and ((x)/(c))+((y)/(d))=1 intersect the axes at four concylic points and a^(2)+c^(2)=b^(2)+d^(2), then these lines can intersect at,(a,b,c,d>0)(1,1)(b)(1,-1)(2,-2)(d)(3,3)

Given a=1(5)/(7),b=(1)/(4),c=(1)/(9) and d=-1(1)/(4), then the value of (a(b-c))/(d) is

The number of 2xx2 matrices A=[[a,bc,d]][[a,bc,d]]^(-1)=[[(1)/(a),(1)/(b)(1)/(c),(1)/(d)]],(a,b,c,d in R) is

If ({:((1)/(2), -(3)/(5)),((4)/(6), -(1)/(7)):}) = ({:(-a, b), (c, -d):})({:(1, 0), (0, 1):}) then find a, b,c and d.

If P(A)=a,P(B)=b and P(A nn B)=c then the expression of P(A'nn B') in terms of a,b and c is (A) 1-a-b-c(B)a+b-c (C) 1+a-b-c(D)1-a-b+c