Jack N.

asked • 11/19/15

Please help me with the following questions on surds.

1) Expand 5 and square root 5 (square root 6 + 8 and square root 5)
 
2) Expand (Square root 3 - 4 and square root 5)(Square root 7 - 8 and square root 2)
 
USING ONLY DOPS FOR 3 AND 4
 
3) Expand (Square root 5 + square root 3)(Square root 5 - Square root 3)
 
4) Expand (3 and square root 11 + square root 7)(3 and square root 11 - square root 7)
 
 

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