V viraj30 Member Joined Jun 28, 2011 Messages 182 Gender Male HSC 2012 Jul 15, 2012 #1 can someone show me how to do this following question? Find the value of k if the coefficients of x^k and x^(k+1) in (3x + 2)^19 are equal. Thanks in advance!
can someone show me how to do this following question? Find the value of k if the coefficients of x^k and x^(k+1) in (3x + 2)^19 are equal. Thanks in advance!
Sy123 This too shall pass Joined Nov 6, 2011 Messages 3,730 Gender Male HSC 2013 Jul 15, 2012 #2 I skipped some cancellation steps, if you are confused about how things have disappeared, like from the first step to the second step, its because I cancelled out the 2 and 3 powers, (by dividing)
I skipped some cancellation steps, if you are confused about how things have disappeared, like from the first step to the second step, its because I cancelled out the 2 and 3 powers, (by dividing)
