Matematika

Pertanyaan

1. Jika A= akar 2 B=akar 32 C= akar 8 maka ani AxB/C adalah
2. Nilai dari 5-¹x3-²x2-³
3. Nilai dari (4√2)pangkat 6

1 Jawaban

  • 1. Jawaban = ....?
    A = √2
    B = √32
    C = √8

    (AxB)/C
    = (√2 x √32)/√8
    = √64/√8
    = (√8 . √8)/√8
    = √8

    Jawabannya √8
    -----------------------------------------
    2. Jawabannya = .....?
    5-¹ x 3-² x 2-³

    Misalnya,
    m-ⁿ = (1/m)ⁿ

    5-¹ = (1/5)¹ = 1/5
    3-² = (1/3)² = 1/9
    2-³ = (1/2)³ = 1/8

    1/5 x 1/9 x 1/8
    = 1/45 x 1/8
    = 1/360

    Jawabannya 1/360
    -----------------------------------------
    3. Jawabannya = .....?
    (4√2)^6
    (4√2).(4√2).(4√2).(4.√2).(4√2).(4√2)

    (4√2).(4√2)
    = 4.4.√2.√2
    = 16.2
    = 32

    (4√2)^6
    = 32x32x32
    = 32.768

Pertanyaan Lainnya