Properties Of Indices And Logarithms
Akopọ
Indices and logarithms are two sides of the same coin. One tells you the result of repeated multiplication; the other asks which power produced a given result. Together they unlock a toolkit for simplifying expressions, solving exponential equations and converting between bases that appears throughout the Further Pure Mathematics course.
In this topic you will master the seven index laws, the four core logarithm laws, the change of base formula, and the technique for solving equations where the unknown sits in the exponent. Every rule is derived from the same principle, so once you see the pattern the whole system clicks into place.
Awọn Afojusun
- Use and apply properties of indices and logarithms, including change of base
- Know that log_a(xy) = log_a(x) + log_a(y)
- Know that log_a(x/y) = log_a(x) - log_a(y)
- Know that log_a(x^k) = k log_a(x)
- Know that log_a(a) = 1 and log_a(1) = 0
- Solve equations of the form a^x = b
- Use the change of base formulae
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Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.
Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.
- Simplify a^5 x a^(-2). A) a^10 B) a^7 C) a^3 D) a^(-10) Answer: C
- What is the value of 16^(3/4)? A) 4 B) 8 C) 12 D) 64 Answer: B
- Which expression is equivalent to log_a(x) + log_a(y)? A) log_a(x + y) B) log_a(xy) C) log_a(x^y) D) (log_a x)(log_a y) Answer: B
- What is the value of log_5(1)? A) 5 B) 1 C) 0 D) -1 Answer: C
- If 2^x = 10, which expression gives x? A) log 2 / log 10 B) log 10 / log 2 C) 10 / 2 D) 2 / 10 Answer: B
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
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