can we use crossmultiplication method instead of substitution method

Asked by Srinivas | 16th Apr, 2015, 06:27: PM

Expert Answer:

Yes comma space we space can space use space cross minus space space multiplication space method space instead space of space substitution space method comma space if space it space is space not space specifically space mentioned space in the space question space to space solve space the space problem space by space using space cross minus space multiplication space method. space For space straight a space particular space problem comma space all space the space methods space will give space you space the space same space result.

Answered by Prasenjit Paul | 17th Apr, 2015, 09:11: AM