Find the value of a and b: (a) 7+3root5/ 3+root5 - 7-3root5/3-root5 = a+root5b (b) 5+root6/5-root6 = a+root6b Share with your friends Share 0 Renu Sharma answered this (a) 7+353+5-7-353-5=a+5 b7+353-5-7-353+53+53-5=a+5 b21+95-75-3*5-21-95+75-3*532-52=a + 5b185-1459-5=a + 5b454=a + 5b5=a + 5bComparing both left and right hand side a= 0 and b=1.Thus, a= 0 and b=1 (b) 5+65-6= a+6 b5+65-6×5+65+6= a+6 b5+6252-62= a+6 bUsing the identity a+b2= a2+2ab+b225+2×56+625-6= a+6 b31+10619= a+6 b3119+10196= a+6 bOne comparing both left and right hand sidesa=3119; and b= 1019 0 View Full Answer
