Question

plzzzz guys help to find corect answers ​

Answer 1

(i) 2√5+7√5-2√2

=>add number which have the same root attached to them

=>9√5-2√2---------Answer

(ii)3√4x5√4

=>multiply integers normally and the numbers in roots together

=>(3x5)x√(4x4)

=>15x√16

=>15x4

=>60-------------->Answer

(iii) Do same as 1

=>(8-7)√3+8√4

=>√3+8√4

=>√3+8x2

=>16+√3-------->Answer

(iv) Same as (ii) then addition

=>(4x3)x√(2x2)  + 4√5

=>12√4+4√5

=>24+4√5----------->Answer

(v) same as (ii)

=>(6x4x5)x√(2x3x4)

=>120√24

=>240√6----------->Answer

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