Home
Class 10
MATHS
If a : b = c : d, prove that : (i) 5...

If `a : b = c : d`, prove that :
(i) `5a + 7b : 5a - 7b = 5c + 7d : 5c - 7d`.
(ii) `(9a + 13b) (9c - 13d) = (9c + 13d) (9a - 13b)`.
(iii) `xa + yb : xc + yd = b : d`

Promotional Banner

Topper's Solved these Questions

  • RATIO AND PROPORTION (INCLUDING PROPERTIES AND USES)

    ICSE|Exercise Exercise 7(D)|27 Videos

  • RATIO AND PROPORTION (INCLUDING PROPERTIES AND USES)

    ICSE|Exercise QUESTIONS|30 Videos

  • RATIO AND PROPORTION (INCLUDING PROPERTIES AND USES)

    ICSE|Exercise Exercise 7(B)|17 Videos

  • RATIO AND PROPORTION

    ICSE|Exercise MULTIPLE CHOICE QUESTION|61 Videos

  • REFLECTION

    ICSE|Exercise QUESTION|1 Videos

Similar Questions

Explore conceptually related problems

If a : b = c : d , prove that : (6a + 7b) (3c - 4d) = (6c + 7d) (3a - 4b) .

If (4a + 9b) (4c - 9d) = (4a - 9b) (4c + 9d) , prove that : a : b = c : d .

If (7a + 8b) (7c - 8d) = (7a - 8b) (7c + 8d) : prove that a : b = c : d .

If (7a + 8b)/( 7c + 8d) = (7a - 8b)/(7c - 8d), prove that : (i) a:b=c:d (ii) (4a - 5b)/(4c - 5d)= (3a + 4b)/(3c + 4d)

If (7a + 8b)/( 7c + 8d) = (7a - 8b)/(7c - 8d), prove that : a:b= c:d

Given, (a)/(b) = (c)/(d) , prove that : (3a - 5b)/(3a + 5b) = (3c - 5d)/(3c + 5d)

If a: b= 2: 3, b: c= 4: 5 and c: d= 6: 7 , find : a: b: c:d .

6 more than -7 is (a) 1 (b) -1 (c) 13 (d) -13

Subtract : 3a - 5b + c + 2d from 7a - 3b + c - 2d

Add the expressions : 3a - 2b + 5c and 4a + 7b - 9c