Mathematics - Additional - 0606 CIE

Laws Of Logarithms

Gbogbo ọrọ náà

Logarithms turn multiplication into addition and powers into multiplication, which is exactly what once made them the engine of hand calculation. Today their laws are the key to solving exponential equations and to handling any quantity that grows or shrinks by repeated factors.

In this lesson you will learn the three core laws of logarithms, the product, quotient and power laws, plus the change-of-base formula. You will use them to combine, split and simplify logarithmic expressions, the essential groundwork for the exponential equations that follow.

Ebumnobi

  1. Know and use the laws of logarithms, including the change of base of logarithms.

Akọmọ Ojú-ẹkọ

Logarithms are the natural language of anything that changes by a multiplying factor: sound levels, earthquake magnitudes, pH, compound growth. Their laws let you rewrite awkward products and powers as simple sums, which is the step that makes exponential equations solvable.

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Ayẹwo Ẹkọ

Ekele diri gi maka imecha ihe karịrị na Laws Of Logarithms. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.

Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.

Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.

  1. Which is the product law of logarithms? A. log(ab) = log a + log b B. log(ab) = log a x log b C. log(a + b) = log a + log b D. log(ab) = log a - log b Answer: A
  2. Write log 6 + log 4 - log 3 as a single logarithm. A. log 7 B. log 8 C. log 24 D. log 2 Answer: B
  3. Simplify 2 log 3 + log 5. A. log 11 B. log 30 C. log 45 D. log 15 Answer: C
  4. The power law states that log(a^n) equals: A. n + log a B. n log a C. (log a)^n D. log a / n Answer: B
  5. Using change of base, log_2 10 is approximately: A. 0.30 B. 3.32 C. 5.00 D. 10.0 Answer: B

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Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.

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Ọ dị na ngwa Green Bridge

Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.

Akwụkwọ ndụmọdụ zuru oke nwere eserese
Onye inyeaka mmụta AI
Mụọ n'ụzọ na-enweghị ịntaneti, oge ọbụla, ebe ọbụla
Ọ dị na Android, Windows, macOS, na Linux

Meecha Ajụjụ Ule Ọmarịcha

Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Laws Of Logarithms? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.

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