Question

aici..e .....te rog..pls​

Answer 1

Răspuns:

Explicație pas cu pas:

18)

a) 13²¹ = 13·13²⁰ = (9+4)·13²⁰ = 9·13²⁰+4·13²⁰ = (3·13¹⁰)²+(2·13¹⁰)²

b) 29²⁵ = 29·29²⁴ = (25+4)·29²⁴ = (5²+2²)·29¹²ˣ² =

= (5·29¹²)²+(2·29¹²)²

53³¹ = 53·53³⁰ = (49+4)·53³⁰ = (7²·53¹⁵ˣ²)+(2²·53¹⁵ˣ²) =

= (7·53¹⁵)²+(2·53¹⁵)²

d) 61⁵³ = 61·61⁵² = (25+36)·61⁵² = (5·61²⁷)²+(6·61²⁷)²

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19)

a) n = 41²³ = 41·41²² = (1+36+4)·41²² = (41¹¹)²+(6·41¹¹)²+(2·41¹¹)²

b) n = 59³⁷ = (25+25+9)·59³⁶ = (5·59¹⁸)²+(5·59¹⁸)²+(3·59¹⁸)²

c) n = 65⁴¹ = 65·65⁴⁰ = (4+25+36)·65⁴⁰ = (2·65²⁰)²+(5·65²⁰)²+(6·65²⁰)²

d) n = 83⁵⁵ = 83·83⁵⁴ = (49+25+9)·83⁵⁴ = (7·83²⁷)²+(5·83²⁷)²+(3·83²⁷)²