Question

Daca 7 la puterea 19 x 3 la puterea 19 =x la puterea 19 x egal cu Va roggggg

Answer 1

[tex] 7^{19} * 3^{19}= x^{19} [/tex]
folosim formula $a^{n}* b^{n}= (a*b) ^{n}$
-> $7^{19} * 3^{19}= x^{19}$
   =$(7*3) ^{19}= 21 ^{19}$