The value of √5+2√6 is
√3−√2
√3+√2
√5+√6
none of these
√5+2√6=√3+2+2√3×√2
√(√3)2+(√2)2+2√3×√2
√(√3+√2)2=√3+√2
(a)√5+√6 (b)√5−√6 (c)√3+√2 (d)√3−√2