Răspuns :
Răspuns:
d=(4^50+4^49+4^48)÷21
d=4⁴⁸(4²+4¹+1):21
d=4⁴⁸(16+4+1):21
d=4⁴⁸·21:21
d=(4¹⁶)³→ cub perfect
d=(2²)⁴⁸=(2⁴⁸)² → patrat perfect
Răspuns:
4^48(4^2+4+1):21=4^48*21:221=4^48 ; ( 4^24)^2 PATRAT IERFECT ; (4^16)^3 CUB PERFECT
Explicație pas cu pas: