Упростить выражение (a - b)/( (a)^(3/4) + (a)^(1/2)* (b)^(3/4) ) :
( (a)^(1/2) +(b)^(1/2) ) / ( (a)^(1/2)*(b(1/4)+ (a)^(1/4) *(b) ^(1/2) )
решение : -
(√a - √ b)(√a +√ b)/( a^(1/2)( a ^(1/4) +b ^(1/4) ) *
* (ab)^(1/4) ( (a)^(1/4) +b ^(1/4)) /(√a +√b) = (b/a)^(1/4)* (√a - √ b) .