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Kelas 9 MatematikaBab Akar dan Pangkat
2] P² + Q²
= (2²⁰¹⁸ + 2⁻²⁰¹⁸)² + (2²⁰¹⁸ - 2⁻²⁰¹⁸)²
= 2⁴⁰³⁶ + 2 . 2²⁰¹⁸ . 2⁻²⁰¹⁸ + 2⁻⁴⁰³⁶ + 2⁴⁰³⁶ - 2 . 2²⁰¹⁸ . 2⁻²⁰¹⁸ + 2⁻⁴⁰³⁶
= 2⁴⁰³⁶ + 2⁴⁰³⁶ + 2⁻⁴⁰³⁶ + 2⁻⁴⁰³⁶
= 2 . 2⁴⁰³⁶ + 2 . 2⁻⁴⁰³⁶
= 2⁴⁰³⁷ + 2⁻²⁰³⁵
Jawabannya D