9(2a-b)^(2)-4(2a-b)-13

If 4(a+2)^(2)-9a+2(2a^(2)-1)=4(b+2)^(2)-9b+2(2b^(2)-1)=15 where a,b in R and a>b then find the value of 8(a-b)

What is the HCF of a^(2)b^(4)+2a^(2)b^(2) and (ab)^(7)-4a^(2)b^(9) ?

Factorise the using the identity a ^(2) - 2 ab + b ^(2) = (a -b) ^(2). 9y ^(2) - 4 xy + ( 4x ^(2))/( 9)

Fractorise: 9a^(2) -b ^(2)+4b-4

Factorise: 4(2a - b+c) ^(2) - 9 ( a+b- c) ^(2)

Factorise : (1)/(4)(a+b)^(2) - (9)/(16)(2a - b)^(2) .

Factorise the using the identity a ^(2) -b ^(2) = (a +b) (a-b). ( 4x ^(2))/(9) - ( 9y ^(2))/( 16)

If a sec theta=1-b tan theta and a^(2)sec^(2)theta=5+b^(2)tan^(2)theta then (i)a^(2)b^(2)-4a^(2)=9b^(2)( ii) a^(2)b^(2)+4a^(2)=9b^(2) (iii) a^(2)b^(2)+9b^(2)=4a^(2)( iv )a^(2)b^(2)+9b^(2)=5a^(2)