ঘনফল Cube Roots নির্ণয় কৰা
1.তলৰ সংখ্যাকেইটাৰ ঘনফল নির্ণয় কৰা (i) 19 (ii) 21 (iii) 23 (iv) 27
(i) 19^3
=19 × 19 × 19
=6859
(ii) 21^3
=21 × 21 ×21
=9261
(iii) 23^3
=23 × 23 ×23
=12167
(iv) 27^3
=21 × 21 ×21
= 19683
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