Plz answer me fast........
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Hey!!!!!
__________
(i) √63 - 5√28 + 11√7
=> 3√7 - 10√7 + 11√7
=> 4√7
(ii) 5√8 + 2√8 - 2√2
=> 10√2 + 8√2 - 2√2
=> 16√2
(iii) (4√3 - 3√5)²
=> 48 + 45 - 2(4√3)(3√5)
=> 93 - 24√15
Hope this helps
__________
(i) √63 - 5√28 + 11√7
=> 3√7 - 10√7 + 11√7
=> 4√7
(ii) 5√8 + 2√8 - 2√2
=> 10√2 + 8√2 - 2√2
=> 16√2
(iii) (4√3 - 3√5)²
=> 48 + 45 - 2(4√3)(3√5)
=> 93 - 24√15
Hope this helps
karthi34:
plz answer me the frst step
I'll explain you in 10 minutes I'm writing another answer
OK plz make it fst
Shall i explain now?
S pla
plz
in first step we divided 28 into 7(4) thus we took 4 out of the root and 7 is now left in the root
same for 63
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