6 Soal Menyederhanakan Bentuk Akar. 1. 2√96 + √24 - √150 2. 5√80 + 3√96 - √180 + 2√54 3. 4√72 + 2√243 + √128 - 3√108 4. 2√5 x 3√12 5. 3√6 (√3 - √8) 6. (√5 + √3)
Matematika
RifkyIrpanRamadhan
Pertanyaan
6 Soal Menyederhanakan Bentuk Akar.
1. 2√96 + √24 - √150
2. 5√80 + 3√96 - √180 + 2√54
3. 4√72 + 2√243 + √128 - 3√108
4. 2√5 x 3√12
5. 3√6 (√3 - √8)
6. (√5 + √3) x (√5 - √3)
1. 2√96 + √24 - √150
2. 5√80 + 3√96 - √180 + 2√54
3. 4√72 + 2√243 + √128 - 3√108
4. 2√5 x 3√12
5. 3√6 (√3 - √8)
6. (√5 + √3) x (√5 - √3)
2 Jawaban
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1. Jawaban WandhaR
1. 2√96 + √24 - √150 = 5√6
2. 5√80 + 3√96 - √180 + 2√54 = 14√5 + 18√6 -
2. Jawaban FathubaBittuqo
1.) 2√96 + √24 - √150
= 2 √4x3x4x2 + √4x6 - √6x5x5
= 2x4 √6 + 2√6 - 5√6
= 8√6 + 2√6 - 5√6
=10√6- 5√6
= 5√6
2.) 5√80 + 3√96 - √180 + 2√54
= 5√4x2x5x2 + 3√4x4x3x2 - √3x2x3x5x2 + 2√9x6
= 5x2x2 √5 + 3x4 √6 - 3x2 √5 + 2x3 √6
= 20√5 + 12√6 - 6√5 + 6√6
= 14√5 + 18√6
3.) 4√72 + 2√243 + √128 - 3√108
= 4√9x4x2 + 2√7x7x7 + √8x8x2 - 3√9x3x2x2
= 4x3x2 √2 + 2x7 √7 + 8√2 - 3x3x2 √3
= 24√2 + 14√7 + 8√2 - 18√3
= 32√2 + 14√7 - 18√3
4.) 2√5 x 3√12
= 6√5x12
= 6√60 = 6√3x2x5x2 = 6x2 √3x5 = 12√15
5.) 3√6 (√3-√8)
= (3√6 x √3) - (3√6 x √8)
= (3√3x3x2) - (3√3x2x4x2)
= (3x3√2) - (3x4√3)
= 9√2 - 12√3
6.) (√5 + √3) x (√5 - √3)
= (√5)² - (√3)²
= 5 -3 =2