haloo ada yang bisa bantuu🫠🫠

<p>Ingat bentuk</p><p>• ²log 5 = 1/⁵log 2</p><p>• ³log 34 × ³⁴log 5 = ³log 5</p><p>• ⁵log(a×b×c) = ⁵log a + ⁵log b + ⁵log c</p><p>• ³⁷log 37 = 1</p><p>• ⁵log 13⁴ = 4 ⁵log 13</p><p>&nbsp;</p><p>²log 3 = a&nbsp;</p><p>¹/³log 2 = a</p><p>³log 2 = 1/a</p><p>&nbsp;</p><p>³log 7 = b</p><p>¹/⁷log 3 = b</p><p>⁷log 3= 1/b</p><p>&nbsp;</p><p>²log 3 × ³log 7 = ab</p><p>²log 7 = ab</p><p>1/(⁷log 2) = ab</p><p>⁷log 2 = 1/(ab)&nbsp;</p><p>&nbsp;</p><p>5a) ¹⁴log 56&nbsp;</p><p>= ¹⁴log(14×4)&nbsp;</p><p>= ¹⁴log 14 + ¹⁴ log 4</p><p>= 1 + ¹⁴log 2²</p><p>= 1 + 2¹⁴log 2</p><p>= 1 + 2/²log 14</p><p>= 1 + 2/²log(7×2)</p><p>= 1 + 2/(²log 7 + ²log 2)</p><p>= 1 + 2/(ab+1)</p><p>( Boleh dilanjutin bentuknya jadi berikut dengan mengingat 1 = (ab+1)/(ab+1) )</p><p>= (ab+1)/(ab+1) + 2/(ab+1)</p><p>= (ab+1+2)/(ab+1)</p><p>= (ab+3)/(ab+1)</p><p>&nbsp;</p><p>5b) ⁶log 84</p><p>= ⁶log(6×7×2)</p><p>= ⁶log 6 + ⁶log 7 + ⁶log 2</p><p>= 1 + 1/⁷log 6 + 1/²log 6</p><p>= 1 + 1/⁷log(2×3) + 1/²log(2×3)</p><p>= 1 + 1/(⁷log 2 + ⁷log 3) + 1/(²log 2 + ²log 3)</p><p>= 1 + 1/(1/(ab) + 1/b) + 1/(1 + a)</p><p>= 1 + 1/(1/(ab) + a/(ab)) + 1/(1+a)</p><p>= 1 + 1/((a+1)/ab) + 1/(1+a)</p><p>= 1 + ab/(a+1) + 1/(a+1)</p><p>= 1 + (ab+1)/(a+1)</p><p>( Boleh dilanjutin jadi bentuk berikut dgn mengingat 1 = (a+1)/(a+1) )</p><p>= (a+1)/(a+1) + (ab+1)/(a+1)</p><p>= (a+1+ab+1)/(a+1)</p><p>= (ab+a+2)/(a+1)</p><p>&nbsp;</p><p>Semoga membant</p>