Q. 265.0( 1 Vote )

# State with reason which of the following are surds and which are not.         (i) × (ii) × (iii) × (iv) × (v) 5 × 2 (vi) × (vii) × (viii) 6 × 9 (ix) × (x) ×

(i) × = × = × × =5 is a surd.
(ii) × = × = 2 ×××
= 4 is a surd.
(iii) × = × =3 × = 9 is not a surd.
(iv) × =4 × 2 = 8 is not a surd.
(v) 5 × 2 = 5 × 2 =5× 2 × 2 ×
= 5 × 2× 2 × 2 ×
= 40 is a surd.
(vi) ×= ×=5 ×= 5 × 5 = 25 is not a surd.
(vii) × = 10 is a surd.
(viii) 6 × 9 = 54 is a surd.
(ix) × = ×
=2 × 3 =2××× 3×
= 30 is a surd.
(x) × = × = × × × = 3 is a surd.

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